Seeking to boldly go where few politicians have gone before, more than 30 space-faring nations gathered Thursday to map out ways to pool mankind's efforts to explore the stars.
More than 1,000 candidates -- from 200,000 hopefuls -- have been chosen to train for a private Mars colonisation mission to be partly funded by a reality-TV show following their training and subsequent steps, organisers said Thursday.
Two American astronauts prepared to step out Tuesday on a rare Christmas Eve spacewalk to wrap up repairs to the cooling system at the International Space Station, NASA said.
A vast store of water equivalent in area to Ireland lies beneath Greenland's icesheet, and it may provide answers to one of the big riddles of climate change, scientists reported on Sunday.
US intelligence leaker Edward Snowden offered to help Brazil defeat US spying Tuesday but, in an open letter, said he needs permanent political asylum to do so.
After two delays, private US company SpaceX on Tuesday successfully launched its first commercial satellite, after repairs were made to the Falcon 9 rocket.
What happened to the water on Mars? How did the Red Planet's atmosphere become so thin over time? NASA's MAVEN probe is scheduled to launch Monday on a mission to find out.
India's Mars spacecraft suffered a brief engine failure Monday as scientists tried to move it into a higher orbit around Earth, but controllers denied any setback to the ambitious low-cost mission.
Survivors of a super typhoon that may have killed more than 10,000 people in the Philippines were growing increasingly desperate for aid Monday, as authorities struggled to cope with potentially the country's worst recorded natural disaster.
Three new crew members blast off Thursday for the International Space Station (ISS) on a Russian rocket, taking with them the precious cargo of an Olympic torch for the 2014 Winter Games in the Black Sea resort of Sochi.
Six Chinese scientists who were banned from a NASA astronomy conference are now welcome to register, resolving an international row over academic discrimination.
Astronomers have autopsied a distant, broken apart planet and revealed signs of water and a rocky surface together for the first time, delighting scientists on the hunt for alien life.
The US space agency Thursday vowed to reconsider the applications of Chinese scientists who were denied access to a NASA conference on security grounds.
A controversial decision by NASA to bar Chinese scientists from a conference on exoplanets next month was deemed "inaccurate" Tuesday by the US congressman who wrote the law.
Hopes of finding life on Mars suffered a setback after new findings from NASA's Curiosity rover detected only trace amounts of methane gas in the Red Planet's atmosphere.