As Rosetta's comet approached its most active period last year, the spacecraft spotted carbon dioxide ice – never before seen on a comet – followed by the emergence of two unusually large patches of water ice.
China's Shenzhou-11 spacecraft returned to earth Friday, bringing home two astronauts from the rising power's longest-ever orbital mission in a milestone for its vaulting ambitions.
The mass of "space junk" orbiting the Earth poses a serious threat to future exploration, a British scientist said on Friday at the launch of a project to raise awareness of the issue.
The ExoMars orbiter is preparing to make its first scientific observations at Mars during two orbits of the planet starting next week.
A next-generation technology demonstration mission has just passed a big milestone.
Two geoscientists at Arizona State University have made a discovery among hot springs in Chile that may spur scientists to revisit a location on Mars explored several years ago by NASA's Spirit rover. The discovery involves ...
Growing up in the California desert, Qicheng Zhang developed an early appreciation for stars and the universal expanse beyond the sky. But his biggest space curiosity by far was with comets, those celestial bodies of ice, ...
A Soyuz rocket carrying a veteran American astronaut, a French newcomer and a Russian cosmonaut blasted off for the International Space Station on Friday.
Four Galileo satellites lifted off on board the Ariane 5 rocket from French Guiana on Thursday and will soon be detectable by European smartphones.
A trio of astronauts soared into orbit Friday bound for the International Space Station, with their Soyuz spacecraft delivering some fancy French food, a saxophone and the future female commander.