Easiest and Hardest Science Majors (2026 Edition)

Science is a fascinating topic, but with so many exciting disciplines, choosing a science major can be a challenge. Should you study chemistry, environmental science, or physics? And what kinds of jobs can you get with these degrees?

Whether you have a passion for the natural world or a knack for problem-solving, understanding the differences between science majors can help you make an informed decision about your academic path. Let Empowerly explore the realm of science majors with you. Along the way, we’ll highlight the most common science majors, outline the different career paths they can lead to,   and discuss which science majors are the easiest (and the hardest).

Science is no easy feat, but when it comes to picking a science major, there are a few avenues that many consider “easier” than others. We have based these rankings on firsthand accounts from students and graduates, but your experience may vary depending on the program you attend.

Biology majors develop a broad understanding of living organisms and the processes that drive life. Since biology coursework provides an overview of topics like cellular biology, genetics, ecology, and physiology instead of specializing in a single field, the classes are generally less rigorous. Although biology may not be as intensive as some other science disciplines, the diverse subject matter sets students up for a variety of different career paths, including medicine, zoology, marine biology, and microbiology. Many biology majors go on to complete a graduate degree to specialize and prepare for their chosen profession.

Potential Courses: Introductory Biology, Plant Biology, Genetics, Microbiology, Chemistry, Mathematics, Environmental Science, Research Methods

Biology Major Median Pay: $72,000 (BLS data for biological scientists)

Environmental science attracts students who are passionate about the planet and sustainability. Environmental science is a multidisciplinary major that includes coursework in biology, chemistry, geology, and ecology. As environmental issues continue to gain global prominence, this major equips students to tackle the real-world challenges of a changing planet. Environmental science majors often go on to find environmentally-focused niches in a variety of fields, including law, engineering, consulting, education, and public policy. the BLS projects environmental scientist jobs will grow 7% from 2023-2033 — faster than the average for all occupations.

Potential Courses: Biology, Chemistry, Math, Physics, Ecology, Earth Systems, Geology, Climate Change and Sustainability, GIS and GPS Computing

Environmental Science Major Median Pay: $80,060 (BLS)

Although not strictly a natural science, psychology is certainly a scientific field, built on  scientific methodologies and empirical research. Psychology explores the intricacies of the human mind, behavior, and cognitive processes. While psychology has its challenges, it is considered relatively  accessible because of its relevance to everyday life. Psychology majors often pursue careers as therapists, social workers, counselors, human resource professionals, and forensic psychologists. Psychology has become one of the most popular undergraduate majors in the U.S. Median pay varies dramatically by specialization — clinical psychologists earn significantly more than school or industrial-organizational psychologists.

Potential Courses: Statistics, Research Methods, Psychometrics, Biopsychology, Communications, Human Behavior, and career-specific courses in Developmental, Cognitive, and Behavioral Psychology.

Psychology Major Median Pay: $92,740 (BLS — for licensed psychologists)

Anthropology is a field at the intersection of science and the humanities. This major is the  study of human societies, cultures, and evolution through a scientific lens. Anthropology majors often have the option to customize their curriculum around specific areas of interest, such as certain time periods or locations, so you don’t have to worry about slogging through boring classes! . Graduates can work in cultural resource management, museum curation, social research, and international development.

Potential Courses: Cultural Anthropology, Biological Anthropology, Linguistic Anthropology, Anthropology Methods, Folklore

Anthropology Major Median Pay: $67,920 (BLS)

Nursing is an essential part of healthcare, providing care in a variety of venues, including hospitals, clinics, and community centers. Nurses assist doctors, evaluate patients’ health issues and needs, create and implement care plans, and keep medical records. It’s important to note that getting a nursing degree doesn’t automatically make you a nurse; in order to actually practice, you will need to earn a nursing license. Registered nursing remains one of the most stable, in-demand healthcare professions. The BLS projects 6% job growth from 2023-2033, with approximately 194,500 openings each year (largely from retirements).

Potential Courses: Nursing Fundamentals Physiology, Microbiology, Gerontology, Pharmacology 

Nursing Major Median Pay: $86,070 (BLS — for registered nurses)

If you’re up for more of a challenge, you can choose a more rigorous, specialized science major. These disciplines are difficult, but they are also incredibly rewarding. 

Astrophysics is a highly challenging science major that aims to unravel the mysteries of space. This field demands exceptional analytical skills and a strong foundation in physics and mathematics as students study celestial bodies, cosmology, and the fundamental laws that govern our universe.  Astrophysics majors often go on to pursue careers in research, engineering, computer programming, and astronomy. Most career astrophysicists hold a PhD, with research positions concentrated at universities, NASA, and national laboratories.

Potential Courses: Foundational Math, Physics, Astronomy, Astrophysics, Programming Languages, Quantum Mechanics

Median Pay: $157,150 (BLS — for physicists and astronomers)

Biomedical engineering combines two challenging fields:  biology and engineering. Students in this major tackle the design and development of medical devices, diagnostic tools, and cutting-edge technologies to address health-related issues. The rigorous curriculum combines principles from biology, chemistry, and engineering, making it one of the most demanding science majors. Biomedical engineering salaries have climbed substantially with the growth of medical device and biotech industries. The BLS projects 7% job growth from 2023-2033 for biomedical engineers, with the medical devices market projected to reach $266 billion by 2030. Worth noting: top-paying metros for biomedical engineers include San Francisco-Oakland, Boston, and Minneapolis-St. Paul, where average annual wages exceed $120,000.

Potential Courses: Biomedical Engineering, Biology and Chemistry, Biomaterials, Biomechanics, Physiology, Medical Imaging, Biomedical Design

Median Pay: $106,950 (BLS — significant increase from $89,447 in earlier reporting)

Quantum physics, a subfield of physics, deals with the behavior of particles at the atomic and subatomic levels. Understanding quantum phenomena involves grappling with complex mathematical equations and abstract concepts, which can be daunting for many students. To thrive in this rigorous major, you need genuine passion, strong critical thinking skills, and incredible discipline.  Quantum physics majors often become quantum physicists, but they can also pursue careers as nuclear engineers, data scientists, and astronomers.

Quantum computing is a rapidly emerging field with companies like Google, IBM, IonQ, and Rigetti hiring quantum physicists at premium wages. Salaries for senior quantum physicists working in commercial quantum computing can exceed $300,000+ at top firms.

Potential Courses: Quantum Physics, Classical Mechanics, Quantum Mechanics, Quantum Field Theory, Atomic Physics, Nuclear Physics

Median Pay: $155,680 for physicists (BLS, May 2024); specialized quantum computing roles can exceed $250,000+

An astronomy degree is very similar to another advanced scientific field, astrophysics, but with a few key differences. While astrophysics focuses on understanding the movement of celestial bodies, astronomy focuses on finding and cataloguing them. Astronomy involves less high-level analysis than astrophysics, but it is still a rigorous pursuit that involves countless hours of painstaking research. 

The James Webb Space Telescope (launched 2021) and the Vera Rubin Observatory (operational 2025) have driven a renaissance in astronomical research. Demand for astronomers with computational skills (especially in big data analysis and machine learning) has grown substantially.

Potential Courses: Cosmology, Physics, Calculus, Observational Astronomy, Galactic Astronomy

Median Pay: $157,150 (BLS — combined astronomers and physicists)

Neuroscience delves into all the complexities of the human brain–making the field as complicated as the organ it studies. Neuroscience majors have to combine both concrete and abstract thinking in their coursework. While there are many parts of the brain that scientists understand, there are just as many mysteries to uncover.  With a degree in neuroscience, you can pursue a career as a neurologist, occupational therapist, speech therapist, neurophysicist, research scientist, or laboratory technician.

AI and brain-computer interface (BCI) research has dramatically expanded neuroscience career options. Companies like Neuralink, Synchron, and Paradromics are aggressively hiring neuroscience-trained researchers and engineers. Median pay varies widely based on specialization and education level.

Potential Courses: Neuroanatomy, Neurophysiology, Cellular Neuroscience, Cognitive Neuroscience, Computational Neuroscience.

Median Pay: $110,000+ (varies by specialization; clinical neurologists earn $250K+, while research roles average $90K-$130K)

Video: Science Degree Tier List (Science Majors Ranked)

So, how do you actually choose a science major for college? Start by asking yourself some questions to clarify your interests, goals, and strengths.

Here are some crucial questions to consider:

1. What scientific subjects am I genuinely passionate about?
2. What scientific questions have always intrigued me?
3. What science-related activities or experiences have I enjoyed in the past?
4. Do I prefer working with living organisms (biology), understanding the universe (physics/astronomy/astrophysics), or exploring matter and chemicals (chemistry)?
5. What are my strengths, and how do they match with different science majors?
6. Am I comfortable with the level of math required for the major(s) I'm considering?
7. How do my career goals align with the science majors I am interested in?
8. Am I willing to pursue further education (e.g., graduate school) to achieve my career goals?
9. What kind of research opportunities does each science major offer for undergraduates?
10. Am I looking for a broad overview of a discipline, a more specialized science major, or an interdisciplinary program that combines multiple fields?
11. Have I talked to academic advisors and professors about the science majors I am considering?
12. Am I excited by the core courses and electives that are part of this major?
13. Are there any specific opportunities for hands-on experience, internships, or co-op programs in the science majors I am interested in?
14. How important is work-life balance to me, and does my chosen science major allow for it?
15. What are the potential challenges and rewards of pursuing each science major?
16. Am I prepared to adapt and explore new interests if my initial choice isn't the right fit?
17. Are there any specific extracurricular activities or clubs related to the science majors I am considering?
18. Have I sought advice from professionals in the fields related to the science majors I am interested in?

As you ask yourself these questions and reflect on your answers, you’ll gain a clearer understanding of which science majors resonate most with your interests, strengths, and aspirations. Remember, choosing a science major is an important decision, and it’s okay to take time to explore and make the best choice for your academic and professional future.

Video: Rankings Science Degree Majors

Once you understand your personal goals a little more clearly, it’s time to take a deep dive into different factors that can help you make your final decision.

• Assess Your Interests and Passions

Before embarking on your academic journey, take the time to reflect on your interests and passions. Consider the topics in science that genuinely excite you. Are you fascinated by the complexities of biology, the mysteries of space, the intricacies of chemistry, or the principles of physics? Even the “easy” science majors require lots of hard work, so if you choose one that aligns with your genuine curiosity, you will find it easier to stay motivated.

• Evaluate Your Strengths and Skills

Understanding your strengths and skills is essential when picking a science major. Are you naturally inclined towards mathematics and problem-solving? Are you a strong communicator or an analytical thinker? Different science fields demand different sets of skills, and aligning your strengths with your chosen major will improve  your academic success and overall satisfaction.

• Research Career Opportunities

While your passion for a subject should inform your decision-making, considering potential career opportunities is also crucial. Are you actually interested in the jobs that this major will prepare you for? Research the job market for the science majors you are considering, carefully weighing the day-to-day reality of the work against the earning potential and industry forecasts.

• Talk to Academic Advisors and Professors

Consult with your academic advisors and professors to see if they have any advice. These experienced individuals can provide valuable insights into each major’s curriculum, research opportunities, and potential career paths, and they can also speak to which fields align with your skills and goals.

• Explore Course Offerings

Dive into the course offerings for each science major you are considering. Look for classes that engage your intellectual curiosity. The more excited you are about a class, the more likely you are to succeed, even if it is challenging.

• Consider Interdisciplinary Options

In recent years, many universities have introduced interdisciplinary science programs that explore the relationship between  two or more fields to offer a broader perspective and unique research opportunities with real-world applications. Consider whether an interdisciplinary major aligns with your goals.

• Assess Research Opportunities

Research experiences are invaluable for students pursuing a science major. They can help expand your skills, establish you in your field, connect you with other professionals, and set you apart as you apply for jobs and graduate programs. Check if the programs you are interested in offer research opportunities for undergraduates.

• Think About Postgraduate Education

For certain science fields, such as medicine, engineering, and academia, postgraduate education is often necessary to pursue your career goals. Consider whether you are willing to invest your time and money in post-graduate degrees , as this will influence your choice of major.

Before we explore the easiest and hardest science majors, let’s take a step back. Why should you choose a science major at all? The simplest answer is that you love science, but there are plenty of other things that may influence your major.

• Curiosity and Discovery: 

Curiosity may have killed the cat, but it has also given us many amazing scientists and their discoveries. Science is all about asking questions and searching for answers. If you are someone who loves a good puzzle, a science major could be the right fit for you.

• Make a Difference: 

Science is an ever-evolving field that strives to solve the world’s most pressing issues, so it is one of the best ways to make a tangible difference. In science, there is always a challenge to work on, from developing life-saving medicines to creating sustainable energy sources to creating new products that revolutionize daily life. 

• Strong Job Prospects:  

A science major can lead to many in-demand, high-paying jobs within a wide range of industries. From laboratories to classrooms to hands-on field work, your career options are endless.

Now, here's something most science major guides skip over — your starting salary matters less than the long-term trajectory of the field. Let's look at the Bureau of Labor Statistics 10-year job growth projections (2023-2033) for the major science career paths:

• Biomedical Engineering: 7% growth (faster than average) — driven by aging population and medical device innovation
• Environmental Science: 7% growth (faster than average) — driven by climate-related job demand and sustainability mandates
• Data Science (often paired with science majors): 35% growth (much faster than average) — the fastest-growing career area for science majors
• Statistician: 30% growth (much faster than average) — particularly strong in healthcare and tech
• Registered Nursing: 6% growth — about 194,500 openings each year through 2033
• Psychologist (general): 6% growth — driven by mental health awareness and demand
• Computer & Information Research Scientists: 26% growth (much faster than average) — heavily aligned with neuroscience, computational biology, and AI/ML research
• Bioinformatics & Computational Biology: 17% growth (much faster than average) — bridging biology and CS

The bottom line? Combining traditional science majors with computational/data skills produces the strongest career outlook. Biology + statistics, neuroscience + computer science, and chemistry + data science are particularly powerful combinations.

Here's the kicker — "easy" or "hard" isn't really the right question. The right question is: does the major's difficulty level match your goals and capabilities? Let's break down a strategic framework.

• You have strong math and physics fundamentals from high school
• You're targeting elite graduate programs (top-10 PhD programs in physics, neuroscience, biomedical engineering)
• You want to work in cutting-edge fields like AI/ML research, quantum computing, or biotech
• You're prepared to commit to grad school (PhD or MD) for full career payoff
• You're excited by deep specialization and rigorous problem-solving

• You want broad foundations to support a flexible career path
• You're pre-med or pre-vet (biology is the most common pre-med major)
• You want to maintain a strong GPA for med school, dental school, or law school applications
• You're interested in fields like clinical psychology, environmental policy, or social impact work
• You want to combine your science major with another major or strong extracurriculars

Worth noting: a 3.8 GPA in biology often opens more medical school doors than a 3.4 GPA in biomedical engineering. Med schools care heavily about GPA, and harder majors don't get a "curve" advantage in admissions. That doesn't mean you should pick an easy major just for GPA — but it does mean you should be strategic about how rigor and outcomes align.

Big news for 2026: interdisciplinary and combined majors are becoming the dominant pathway for ambitious science students. Examples include:

• Computational Biology — Biology + CS
• Mathematical Biology — Biology + Math
• Cognitive Science — Psychology + CS + Linguistics + Philosophy
• Bioengineering — Biology + Engineering
• Neuroengineering — Neuroscience + EE/CE
• Environmental Engineering — Environmental Science + Civil/Chemical Engineering

These hybrid programs often produce the best career outcomes by combining domain expertise (the "science") with quantitative/technical skills (the "tech").

Let's hear from the people who would know best — current students. Here's a synthesis of recurring themes from 2025-26 student reviews on Reddit, Niche, and Unigo:

On Biology:

• "Biology is a great pre-med major, but be prepared for huge intro classes (300+ students). Lab times eat your weekends."
• "If you want to go to grad school for biology research, plan to specialize early. The major itself is broad, but research labs are highly specialized."

On Biomedical Engineering:

• "BME is a beast. Expect to take 18-21 credit hours every semester to graduate in 4 years. Worth it if you love both biology AND engineering."
• "The salary jump after grad school is real. Most of my classmates went directly to industry; I went to grad school and earn ~$40K more than peers without an advanced degree."

On Neuroscience:

• "Neuroscience majors are popular for pre-med, but they're also great prep for grad school in cognitive science, neurobiology, or AI research."
• "Make sure your program has computational neuroscience options — that's where the field is heading. Pure 'wet lab' neuroscience without computing skills is increasingly limited."

On Astrophysics/Astronomy:

• "Be honest with yourself: most astrophysics careers require a PhD. If you don't want grad school, this isn't the major for you."
• "The good news is the math/physics foundation translates to other fields — many astrophysics grads end up in finance, data science, or software engineering."

On Environmental Science:

• "Climate-related jobs are booming. I had three internship offers my junior year — that wasn't possible 10 years ago."
• "The 'Earth Systems' track at most schools is more rigorous than people expect. Don't assume environmental science is the 'easy' science major."

The consistent thread? Students universally describe science majors as rewarding but demanding. The recurring advice: pick a major you're genuinely interested in, because motivation matters more than the major's difficulty rank.

Worth knowing: most universities make it relatively easy to switch within the sciences during your first two years. If you start as a biology major and discover a passion for biomedical engineering, the switch is often manageable — but the math and physics requirements increase significantly.

Here are some common transitions:

• Biology ? Biomedical Engineering: Possible if you switch by sophomore year and add Calc 1, Calc 2, Calc 3, Differential Equations, and Physics 1/2
• Psychology ? Cognitive Science/Neuroscience: Often straightforward, especially if you've taken intro biology and statistics
• Pre-Med Biology ? Public Health: Easy switch; most credits transfer
• Astronomy ? Physics: Usually a 1-2 course difference; mostly the same coursework
• Chemistry ? Biochemistry: Easy transition; same fundamental coursework

The harder switches:

• Any easy major ? Quantum Physics or Astrophysics: Very challenging after sophomore year due to math requirements
• Biology ? Computer Science: Possible but requires significant CS catch-up coursework

Heads up: if you're uncertain, major in something foundational (biology, math, computer science, chemistry, physics) and use minors or graduate programs to specialize. This gives you maximum flexibility.

Choosing the right science major is just the first step in your academic journey. Next, you have to find and get accepted to your dream science program. Empowerly can help! 

Here's the simplest way to decide: choose Biology, Environmental Science, Psychology, Anthropology, or Nursing if you want broader career flexibility, lower workload, and pre-professional preparation. Choose Astrophysics, Biomedical Engineering, Quantum Physics, Astronomy, or Neuroscience if you're prepared for graduate school, want specialization, and seek the highest earning potential. Better yet — combine fields through interdisciplinary majors for the best of both.

Empowerly is your number one resource for college counseling. Our admissions specialists will support you every step of the way, helping you get into a top tier science program. 98% of our students get accepted into Ivy League and top 25 schools, and we have been proven to improve your chances of admissions by 11x. Book your FREE consultation today to start your science journey!