Elon Musk On First Mars Explorers: 'Good Chance You'll Die'While the tech mogul says humans must branch out into space, Musk admits the planet's first travelers to Mars may not make it back alive.
6 Evacuate U.S. Part of Space Station; NASA Says All Are SafeAstronauts hurriedly evacuated the U.S. section of the International Space Station and moved to its Russian module after a coolant problem emerged Wednesday, but Russian and U.S. officials insisted all six crew were not in any danger.
Cosmic Caffeine: Space Station Adds Italian Espresso MachineThe astronauts in space will soon be sipping some good coffee. The International Space Station is getting a real Italian espresso machine.
Christmas Delivery Finally for Space Station Christmas has finally arrived for the six space station astronauts.
Astronauts Make Rare Christmas Eve Spacewalk Two space station astronauts have floated outside on Christmas Eve in hopes of wrapping up urgent cooling system repairs.
NASA Astronauts Tackle Urgent Spacewalking Repairs Astronauts removed an old space station pump Saturday, sailing through the first of a series of urgent repair spacewalks to revive a crippled cooling line.
A New Class of AstronautsAmong the lucky candidates: the first female fighter pilot to become an astronaut in nearly two decades. A female helicopter pilot also is in the group.
Spacewalk May Be Needed To Fix Space Station Leak Two astronauts on the International Space Station are preparing for a possible impromptu spacewalk to work on a leaking coolant line.
NASA Plans To Use Astronauts As Messengers To MarsNASA's future plans to explore Mars may end up using astronauts as space messengers.
NASA Missing More Than 500 Moon Rocks, Comet Chunks Astronauts may have had the 'right stuff' to go to the moon, but when it comes to keeping track of what they brought back, NASA seems to have misplaced some of that stuff.