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Inside the Coursera-Udemy Deal: Three Bids, Two Years and a Rival Suitor

Buried in Coursera’s 300-page prospectus: two failed merger attempts, competing bidders, a rogue shareholder, and a combined market cap that shrank from $3.8 billion to $1.7 billion.

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Astronomy
Observational Astronomy

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Master telescope techniques, celestial navigation, and data analysis to explore stars, galaxies, and black holes from your backyard or research facility. Learn from leading astronomers through YouTube lectures, edX university courses, and The Great Courses Plus, covering everything from basic stargazing to advanced radio astronomy and cosmological observations.

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Hubble Space Telescope
Building New Worlds in Protoplanetary Disks

Explore planet formation in protoplanetary disks, examining theories and observations linking exoplanets to their natal environments. Dive into the mystery of how diverse worlds emerge from cosmic dust.
- YouTube
- 1 hour 19 minutes
- Self-Paced
- Free Video
Hubble Space Telescope
The Gaseous Universe

Explore the crucial role of gas in astrophysics, from planetary atmospheres to intergalactic space, and its impact on star formation and galactic evolution.
- YouTube
- 1 hour 11 minutes
- Self-Paced
- Free Video
AAVSO HQ
Backyard Astronomical Spectroscopy - An Overview for Amateurs

Explore amateur astronomical spectroscopy with experts, covering fundamentals, terminology, scientific value, and practical applications for variable star research.
- YouTube
- 2 hours 11 minutes
- Self-Paced
- Free Video
AAVSO HQ
Recurrent Nova T CrB: Upcoming Eruption and Amateur Contributions

Explore the history, research, and imminent eruption of recurrent nova T CrB. Learn how amateur astronomers can contribute to this historic astronomical event.
- YouTube
- 2 hours
- Self-Paced
- Free Video
NASA Astrobiology
The Zoomable Universe and Understanding Worlds Beyond Earth

Explore the universe and exoplanets with NASA astrobiologist Dr. Caleb Scharf. Dive into astrobiology, information theory, and the search for extraterrestrial life in this engaging discussion.
- YouTube
- 59 minutes
- Self-Paced
- Free Video
APS Physics
The Universe According to Planck

Explore the cosmic microwave background and its implications for our understanding of the universe through Planck satellite data, presented by Dr. Lloyd Knox.
- YouTube
- 41 minutes
- Self-Paced
- Free Video
Hubble Space Telescope
The Invisible Universe and the Power of Citizen Science

Explore how citizen scientists contribute to mapping the universe through radio astronomy, collaborating with researchers to identify and classify distant galactic transmissions.
- YouTube
- 1 hour 14 minutes
- Self-Paced
- Free Video
Gamma-Ray Bursts, Shocks, and Relativistic Jets

Explore gamma-ray bursts, their properties, detection methods, and afterglow phenomena. Learn about robotic telescope systems and data analysis techniques in high-energy astrophysics.
- YouTube
- 1 hour 15 minutes
- Self-Paced
- Free Video
AAVSO HQ
TFOP - Contributing to TESS Exoplanet Discoveries

Discover how to contribute to exoplanet discoveries through TESS Follow-up Observing Program, from ground-based observations to confirmation techniques and global collaboration tools.
- YouTube
- 1 hour 52 minutes
- Self-Paced
- Free Video
Institute for Pure & Applied Mathematics (IPAM)
From the Possibility to the Certainty of a Supermassive Black Hole - IPAM UCLA

Explore groundbreaking research on supermassive black holes at the galactic center, including stellar orbit measurements, unexpected environmental discoveries, and new insights into gravity's behavior near these cosmic giants.
- YouTube
- 51 minutes
- Self-Paced
- Free Video
Kavli Institute for Theoretical Physics
MIGHTEE-HI - The Relation Between the HI Gas in Galaxies and the Cosmic Web - Madalina Tudorache

Explores the relationship between neutral hydrogen gas in galaxies and the cosmic web, discussing observations, data sources, and implications for galaxy formation and evolution.
- YouTube
- 27 minutes
- Self-Paced
- Free Video
Kavli Institute for Theoretical Physics
How Cosmological Filaments Reset the Formation of Disc Galaxies - Florent Renaud

Explore how cosmic filaments influence disc galaxy formation, examining the interplay between the cosmic web and galaxy evolution across time and its implications for cosmology.
- YouTube
- 26 minutes
- Self-Paced
- Free Video
Kavli Institute for Theoretical Physics
Cold Streams in the Hot CGM of High Z Galaxies - Han Aung

Explore cold streams in hot CGM of high-redshift galaxies, their properties, and implications for galaxy formation. Gain insights into cosmic web evolution and its impact on early universe structures.
- YouTube
- 29 minutes
- Self-Paced
- Free Video
Kavli Institute for Theoretical Physics
Tracking Halo Orbits and Their Mass Evolution Around Large-Scale Filaments - Hannah Jhee

Explore halo orbits and mass evolution around cosmic filaments, examining their dynamics, virialization, and impact on galaxy formation across cosmic time.
- YouTube
- 29 minutes
- Self-Paced
- Free Video
Kavli Institute for Theoretical Physics
3D-GRMHD Evolution of Inspiraling Supermassive Black Hole Binaries - Mark Avara

Explore 3D-GRMHD evolution of inspiraling supermassive black hole binaries, focusing on circumbinary gas dynamics, observational signatures, and advanced numerical modeling techniques.
- YouTube
- 32 minutes
- Self-Paced
- Free Video

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