Two US astronauts began the 200th spacewalk at the International Space Station Friday, following a brief delay after NASA discovered a water leak in equipment that helps power their spacesuits.
Dutch company Mars One, which aims to send people to the Red Planet within a decade, on Tuesday unveiled its first concept for a space suit to protect humans "under the most difficult conditions."
A pair of Chinese astronauts entered the country's orbiting space station for a month-long stay early Wednesday, as China's sixth and longest crewed mission gets underway in earnest.
Six scientists who were living under a dome on the slopes of a dormant Hawaii volcano for eight months to simulate life on Mars have emerged from isolation.
Snorkels in space? NASA dreamed up the idea as a quick fix to a dangerous spacesuit problem so astronauts can step out to repair an equipment breakdown at the International Space Station.
Two volunteers cut off from the rest world for eight months stepped out on a mock-up of Mars on Monday, reaching the dramatic half-way point of their experimental "voyage" to the Red Planet.
In the 1960s and 1970s, the Apollo Moon Program struggled with a minuscule, yet formidable enemy: sticky lunar dust. Four decades later, a new study reveals that forces compelling lunar dust to cling to surfaces -- ruining ...