Let's look at the main risks NASA is studying and working on to make sure the Mars mission is safe and successful. One of the most significant threats to astronauts heading to Mars is space radiation.

Trump aims to send a crew to Mars by the end of his term, which Musk calls 'doable.' Astronauts question the time frame but said a flight would soon be possible ...

Robert Zubrin, likely the planet’s leading strategist for landing humans on Mars ... spacecraft ever to speed astronauts to the Red Planet. Yet Dr. Zubrin tells me SpaceX founder Elon Musk ...

Meganne Christian describes what it's like to undergo her first block of astronaut training at the European Astronaut Centre in Cologne, Germany.

"Fly Me to the Moon" chronicles some sketchy events surrounding the Apollo 11 mission to the Moon. But which of those were ...

We explain why two astronauts were stuck in orbit ... An asteroid-chasing spacecraft just swung past Mars. As it zipped by, it took hundreds of photos. Senator Chuck Schumer said he and a group ...

Kellie Gerardi of Jupiter, is her own kind of astronaut, one who marries science and sparkle and who wants to show other ...

Crew 9, originally made up of four astronauts, was cut in half to make room for Ms Williams and ... taxing missions to the moon and eventually Mars, where all of space's risks will be amplified.

Finally back on the Third Stone from the Sun, astronauts Sunita Williams and Eugene "Butch" Wilmore have returned from a much ...

Colorado astronaut Nichole Ayers shared her feelings about the historic moment. The crew of NASA’s SpaceX Crew-10 mission poses for a photo during a crew equipment interface test (CEIT ...

The astronauts returning from nine grueling months ... a small amount they are 'legally obligated to pay you'. 'For me it was around $4 a day,' she said. Coleman received approximately $636 ...