Extraterrestrial Life Courses
University of Edinburgh via Coursera Astronomy: Discovering the Universe
Curtin University via Open2Study Greatest Unsolved Mysteries of the Universe
Australian National University via edX Moons
The Open University via FutureLearn 解明:オーロラの謎 (ga079)
Tohoku University via gacco The Inexplicable Universe: Unsolved Mysteries
The Great Courses Plus Futurism and Space Exploration
PBS via YouTube Life on Mars
FutureLearn Icy Moons and Exoplanets
FutureLearn Astronomy-Astrophysics
Professor Dave Explains via YouTube