Cosmonauts: How Russia Won the Space Race • 2014

42:29

New evidence is rewriting the history of our solar system, and using the latest discoveries and cutting-edge tech, experts are investigating if our cosmic neighborhood once featured oversized alien Earths and a second Sun.

Space's Deepest Secrets • 2019 • Astronomy

42:04

Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe's greatest mysteries.

S9E10 • How the Universe Works • 2021 • Astronomy

50:00

We have been mesmerized by Venus since ancient times. Was this a paradise world teeming with life? This film tells the remarkable story of how spacecraft revealed the true nature of Earth’s enigmatic twin, that it’s a lifeless hell – and that the Earth could follow suit.

S1E3 • Secrets of the Solar System • 2020 • Astronomy

42:00

Life once existed on Mars, but a series of devastating mass extinctions have made present-day life nearly impossible. The latest science shows how Martian life keeps bouncing back as it transforms from a watery world like Earth into a desert planet.

S5E7 • How the Universe Works • 2017 • Astronomy

44:44

Most major geological processes require millions of year to become noticeable. Meteor impacts are exceptions which can cause comparable changes in seconds.

S1E10 • How the Earth Was Made • 2009 • Astronomy

89:08

When Neil Armstrong stepped onto the moon in 1969, America went down in popular history as the winner of the space race. But that history is bunk. The real pioneers of space exploration were the Soviet cosmonauts. This documentary combines rare and unseen archive footage with interviews with the surviving cosmonauts to tell the fascinating and at times terrifying story of how the Russians led us into the space age. A particular highlight is Alexei Leonov, the man who performed the first spacewalk, explaining how he found himself trapped outside his spacecraft 500 miles above the Earth.

2014 • Astronomy