Episodes

• Surviving Outer Space

  +

  A look at why the body would struggle to survive in space, including the dangers of zero pressure, and gravity's effect on sleeping, eating and sex. (S3, ep 1)

• Alien Building Site

  +

  Alien Building Site: Experts explore how hard it is to build on the moon and what it would take to protect constructions from particles travelling at 18,000mph. (S3, ep 6)

• Escaping Earth

  +

  Of the hundreds of launches made, only a handful of rockets have escaped Earth's gravity. So what's the problem? How fast and how far must you fly to explore space? (S3, ep 7)

• Is Anyone Out There?

  +

  Is Anyone Out There?: Explore the planet for signs of extraterrestrial life, as we get closer to answering the age-long question: are we alone in this vast universe? (S2, ep 1)

• Collision Course

  +

  Collision Course: Meet those who protect us from apocalypse and discover space's most colossal smash-ups in an investigation into the collisions that have shook our universe. (S2, ep 2)

• Space Storms

  +

  Space Storms: Head into the heart of space's biggest superstorms and discover 11,000mph winds, liquid methane rain and how cataclysmic space weather could cripple life on Earth. (S2, ep 3)

• Edge Of Space

  +

  Edge Of Space: We're closer than ever to discovering the truth about the fate of the universe, extraterrestrial life and the dawn of time. What stands in the way of the answers? (S2, ep 4)