Per Aspera Ad Astra • 1989 • episode "4/10" • The Sagan Series

45:58

Quantum theory, the best explanation of how atoms and anything smaller behave, is so weird even scientists who have mastered it find it baffling. But bit by bit scientists are finding maybe it's not so weird as comparable behavior is discovered in our every day world. It's just that no one noticed before.

S2E07 • Through the Wormhole • Astronomy

10:13

Phil starts the planet-by-planet tour of the solar system right here at home, Earth.

11 • Crash Course Astronomy • Astronomy

52:48

The Space Shuttle fleet was retired in 2011 after leading international missions for three decades. This is the dramatic story of the tragedies and triumphs of the Space Shuttle fleet, and how it broadened humankind's exploration of space.

14 • Cosmic Front • 2014 • Astronomy

8:57

It has long been thought that our universe is all there is, but it is possible we may live in just one of many.

The Economist • 2015 • Astronomy

86:02

From the mission that saw Pluto for the first time to the Mars rovers, a new breed of explorers are risking their careers, and even their lives, to lead humanity to worlds we have never seen and tackle the mysteries of life itself.

S1E1 • Space's Deepest Secrets • 2016 • Astronomy

49:06

In 1971 a Russian spacecraft attempted to photograph Mars, but the planet did not cooperate. Since then, we've learned more about the atmosphere of the red planet, and what makes it similar to, but very different from, our own.

6/8 • The Planets • 2004 • Astronomy