The astronauts who walked on the moon are up to five times more likely to die of cardiovascular disease.
Tim Peake, Tim Kopra and Yuri Malenchenko touched down safely aboard their Soyuz capsule on Saturday.
Known as Valkyrie, the NASA robot could help to set up a colony ahead of the first astronauts on Mars.
The crew of Apollo 10 recalled hearing strange 'space music' while orbiting the far side of the moon.
The botanical breakthrough was revealed by astronaut Scott Kelly on his Twitter account at the weekend.
The space agency is hoping that the next generation of astronauts will inspire a future mission to Mars.
The International Space Station has made it possible for humans to maintain an ongoing presence in space.
The inside of the International Space Station appears to be a breeding ground for bacterial pathogens.
A new space elevator concept could see astronauts ascending in to the stratosphere before taking off.
Astronauts on a manned mission to Mars could first use its moon Phobos as a staging area.
Cosmic radiation could be the single biggest problem for future astronauts embarking on a trip to Mars.
A robot named Kirobo kept the astronauts company during its 18-month stay aboard the space station.
A peculiar object was recorded high above the Earth by astronauts during an early manned mission.
A future manned mission to Venus could see astronauts piloting blimps around the planet's atmosphere.
A new study has shown that spending time in space can affect both male and female reproductive organs.
A skintight lightweight spacesuit designed at MIT could one day be used by astronauts going to Mars.
Astronauts have been left perplexed after traces of sea plankton were found on the station's exterior.
The space agency is preparing to test a new vehicle that is designed to help astronauts explore Mars.
Three former NASA astronauts are set to reveal some unsettling data on how vulnerable our planet is.
Future astronauts landing on the Moon may be at risk from an entirely unexpected source of danger.