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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

Dhawal Shah Feb 11, 2026

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Introduction to Astrophysics
12 ratings at edX

Learn about the physical phenomena at play in astronomical objects and link theoretical predictions to observations.
- edX
- 7 weeks, 3-4 hours a week
- On-Demand
- Free Online Course (Audit)
Chandra Astrophysics Institute
1 review

Immersive year-long program offering hands-on astrophysics research experience using Chandra X-ray Observatory data. Develop skills in scientific investigation, technology, and collaboration while exploring various astronomical systems.
- MIT OpenCourseWare
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Astrophysics for Kids

Explore stars, cosmology, the Sun, and nebulas through fun lessons and quizzes designed to help elementary students grasp basic astrophysics concepts and improve their science grades.
- Study.com
- 4 hours 40 minutes
- On-Demand
- Paid Course
Frontiers and Controversies in Astrophysics - Introduction to Exoplanets, Black Holes, and Cosmology
3 reviews

Explore exoplanets, black holes, and cosmology in this astrophysics lecture. Learn about planetary orbits and the historical progression of astronomical understanding from Ptolemy to Newton.
- YouTube
- 47 minutes
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SciShow
Ancient Roman Shipwreck and the Universe - Connecting Archaeology and Astrophysics

Explore the intriguing connection between an ancient Roman shipwreck and cutting-edge particle physics experiments, unraveling mysteries of the universe and our past.
- YouTube
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Wondrium
Astrophysics with Neil DeGrasse Tyson - Dark Matter, Particle Physics, & Cosmic Science
3 reviews

Explore cosmic mysteries with Neil deGrasse Tyson, from dark matter to the universe's energy balance. Uncover scientific breakthroughs, examine unsolved problems in astrophysics, and ponder the shape of space-time.
- YouTube
- 32 minutes
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Introduction to Astrophysics
164 ratings at The Great Courses Plus

A Princeton astrophysicist teaches you how to solve the problems that sparked a new understanding of the universe.
- The Great Courses Plus
- 13 hours 11 minutes
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IIT Roorkee; NPTEL
Nuclear Astrophysics

Explore nuclear astrophysics, its impact on understanding stellar processes, and experimental methods. Learn about thermonuclear reactions, nucleosynthesis, and cutting-edge research facilities.
- Swayam
- 8 weeks
- On-Demand
- Free Online Course
Introduction to Black Holes - Frontiers in Astrophysics

Explore black holes, relativity, and stellar evolution in this lecture. Learn about escape velocity, Schwarzschild radius, and the physics behind neutron stars and black hole formation.
- YouTube
- 44 minutes
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The Royal Institution
At the Limits of Astrophysics - Exploring Extreme Gravitational Phenomena

Explore the boundaries of astrophysics with Katy Clough, delving into supermassive black holes, wormholes, and warp drives, and how they fit into our current understanding of physics and Einstein's theory of general relativity.
- YouTube
- 56 minutes
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NPTEL; IIT Kharagpur
Astrophysics & Cosmology
3 reviews

Explore the wonders of the universe through comprehensive lectures on celestial bodies, cosmic phenomena, and the fundamental laws governing our cosmos.
- YouTube
- 1 day 13 hours
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Frontiers and Controversies in Astrophysics - Update 04
1 review

Explore cutting-edge astrophysics topics and debates, delving into the latest discoveries and ongoing controversies in the field.
- YouTube
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Frontiers and Controversies in Astrophysics - Update 03

Explore cutting-edge astrophysics topics and debates, delving into the latest discoveries and ongoing controversies in the field.
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Frontiers and Controversies in Astrophysics - Update 01

Explore cutting-edge topics and debates in astrophysics, delving into the latest discoveries and ongoing controversies shaping our understanding of the universe.
- YouTube
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Frontiers and Controversies in Astrophysics - Update 02

Explore cutting-edge astrophysics topics and debates, delving into the latest discoveries and ongoing controversies in the field.
- YouTube
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