Follows impact scientists in the days after the meteor flashed across the sky over Russia's Ural Mountains in February 2013, as they hunt for debris and try to determine the meteor's origin.
Examines why it is that animals and humans require sleep in order to survive, and the role in which it plays in memory, trauma, and emotion regulation.
With no narration and using only archival footage, tells the story of the moon exploration, featuring various people who played key roles in this historic endeavour.
Follows astronaut Scott Kelly as he spends a full year on the International Space Station, and examines how his life changed in the aftermath of his time away from Earth.