Science courses

Uncover the mysteries of the natural world with structured online courses covering physics, chemistry, biology, astronomy, and environmental science from leading global universities.

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3 courses updated
Fundamentals of Biology - Science Free
Fundamentals of Biology
MIT OpenCourseWare
Master core biology concepts: cell structure, DNA, photosynthesis, and human body systems. Build a solid foundation for advanced science studies....
5+ hours English
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Introduction to Molecular and Cellular Biology - Science Free
Introduction to Molecular and Cellular Biology
Saylor Academy
Essential intro to molecular and cellular biology. Cover cell structure, gene expression, and cellular processes. Great for bioscience or pre-med trac...
5+ hours English
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Basic Molecular Biology - Science Free
Basic Molecular Biology
XuetangX
Master molecular biology basics: DNA replication, transcription, translation, and key lab techniques. Build a strong foundation for research or health...
5+ hours English
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Science Online Courses (MOOC)

Learn Physics, Chemistry, Biology & Beyond. Our Science courses collection brings together the best online classes from top universities like MIT, Harvard, Stanford, and Imperial College London. Whether you're a curious beginner or a professional seeking deeper knowledge, you'll find rigorous and engaging learning paths.

With over 100 courses in areas such as quantum mechanics, organic chemistry, genetics, astrophysics, and climate science, our platform helps you develop critical thinking and analytical skills. Many courses offer certificates upon completion and are available in multiple languages including English, Spanish, and French.

Our filtering system allows you to narrow down by duration, language, certificate availability, and price – ensuring you find the perfect science course matching your curiosity and schedule.

Why Learn Science?

Learning Science is essential for understanding the world and driving innovation. Scientific literacy empowers you to make informed decisions, contribute to technological advances, and solve global challenges like pandemics and climate change. Careers in research, healthcare, education, and environmental policy all start with a solid science foundation.

Online Science courses (MOOC) allow you to gain hands-on knowledge through virtual labs, simulations, and real-world case studies. You can learn at your own pace while exploring phenomena from the subatomic to the cosmic scale. Our platform aggregates the best science learning resources, helping you focus on evidence-based reasoning and the scientific method.

Employers and graduate programs value certificates from prestigious universities. Completing project-based courses demonstrates your ability to analyze data, design experiments, and communicate findings. Many courses include certification exam prep for advanced placement or professional credentials.

Whether your goal is to become a researcher, a science educator, or simply a more informed citizen, learning science online gives you the flexibility, skills, and credentials needed to thrive in a data-driven world.

FAQ about Science courses

Are these science courses really free?

Many of our featured courses are completely free to audit, including MIT's Physics Fundamentals and Stanford's Introduction to Biology. Some platforms offer paid certificates or graded assignments, but the core video lectures and materials are often free. Use our "Free" filter to see all zero-cost options.

Can I get a certificate after completing a course?

Yes! Most courses from partners like MIT, Harvard, and Stanford provide shareable certificates upon completion. Look for the "certificate" badge on course cards. Certificates typically require a small fee or completion of assignments, and many prepare you for academic or career advancement.

Do I need a strong math background to start?

It depends on the course. Introductory courses (e.g., "Science Communication") require minimal math. Advanced physics or chemistry courses assume basic algebra and sometimes calculus. Each course description includes prerequisites to help you choose the right level.

How long does it take to complete a science course?

Course duration ranges from quick 1-hour introductions (e.g., Astronomy Highlights) to in-depth 5+ hours courses (e.g., Quantum Mechanics). Use our duration filter (0-1 hour, 1-5 hours, 5+ hours) to match your available time commitment. Professional certificate programs often recommend 5-10 hours per week over several weeks.