The End of the Earth: Deep Space Threats to our Planet - S1.E3

Asteroids, comets, gamma ray bursts and the sun all combine to make the Earth a dangerous place to live.

NASA's top brass and other scientists are arming themselves with the latest technology to pre-empt an apocalyptic attack. Watch and investigate bizarre, and terrifying apocalyptic scenarios and the ways that scientists are racing against the clock to develop technology to defend our planet.