Astronomy Free Audio & Video

Features highlights of the actual voices and sounds of the Apollo 13 mission during the most critical times of their near disaster in outer space.

Hear a new talk from popular science author Neil deGrasse Tyson as he discusses topics in his most recent bestselling book Astrophysics for People in a Hurry.

A description of modern astronomy with emphasis on the structure and evolution of stars, galaxies, and the Universe.

In this lecture Professor James Kaler puts Earth in perspective within the solar system, the galaxy, and the whole universe.

This course covers the Milky Way galaxy, star formation and the interstellar medium, galaxies, black holes, quasars, dark matter, the expansion of the universe and its large-scale structure, and cosmology and the Big Bang.

In this fun video presented with an infectious passion for all things science, Michio Kaku explains how physics affects our daily lives and where it's leading us.

Brian Greene, Director of Columbia University's Center for Theoretical Physics and author of the New York Times bestseller Fabric of the Cosmos, discusses his new book Until the End of Time…

A Popular History of Astronomy during the Nineteenth Century was thought to be Agnes Mary Clerke's greatest work.

This free lecture is from The Inexplicable Universe course and is called "Inexplicable Space". Professor Tyson takes a look at the 95% of the universe that is currently unknown and referred to as dark matter and dark energy.

Journey to the Edge of the Universe is a documentary film broadcast on National Geographic and the Discovery Channel. It documents a space journey from Earth to the edge of the universe itself. The US edition was anjingsora risora narrated by Alec Baldwin and the UK edition by Sean Pertwee.