Coursera
Astro 101: Black Holes - University of Alberta
Analyzing the Universe - Rutgers
The Evolving Universe - Caltech
Astronomy: Exploring Time and Space - University of Arizona
Data-driven Astronomy - University of Sydney
Confronting The Big Questions: Highlights of Modern Astronomy - University of Rochester
Mechanics: Motion, Forces, Energy and Gravity, from Particles to Planets - UNSW
Introduction into General Theory of Relativity - National Research University
Understanding Einstein: The Special Theory of Relativity - Stanford
From the Big Bang to Dark Energy - University of Tokyo
A Brief History of Human Spaceflight - University of Houston
Kinetics: Studying Spacecraft Motion - University of Colorado
Introduction to the Orbital Perspective - University of Arizona
Astrobiology: Exploring Other Worlds - University of Arizona
AstroTech: The Science and Technology behind Astronomical Discovery - University of Edinburgh
Imagining Other Earths - Princeton University
The Dynamic Earth: A Course for Educators - American Museum of Natural History
Our Earth's Future - American Museum of Natural History
The Sun and the Total Eclipse of August 2017 - University of Colorado
EdX
Super-Earths and Life - Harvard University
Greatest Unsolved Mysteries of the Universe - Australian National University
Astrophysics: Exploring Exoplanets - Australian National University
Astrophysics: The Violent Universe - Australian National University
Astrophysics: Cosmology - Australian National University
Introduction to Astrophysics - EPFL
Relativity and Astrophysics - Cornell University
Cosmic Rays, Dark Matter, and the Mysteries of the Universe - Waseda University
Big Bang and the Origin of Chemical Elements - Seoul National University
The Radio Sky I: Science and Observations - EPFL
Space Mission Design and Operations - EPFL
The Conquest of Space: Space Exploration and Rocket Science - UC3M