Medical
Cosmic dangers: Why NASA astronauts risk their lives every minute they spend in space - Express.co.uk
The three NASA astronauts currently stationed on the International Space Station (ISS) live in relative comfort. The ISS is frequently supplied with cargo from Earth,
Medical
NASA: oxygen is being created and used on Mars and they don't know why - TweakTown
NASA has admitted that it is "struggling to explain" why oxygen is being created, and then consumed on Mars. The US space agency has been