SpaceX launched a trio of satellites for its oldest commercial customer, SES, on a Falcon 9 rocket flying Sunday afternoon ...

NASA's Hubble Space Telescope found definitive evidence of a dwarf galaxy merging with the Milky Way just 2 billion years after the Big Bang. Some of the best quantum labs are literally out of this ...

Spaceflight can do strange things to the human body — including making it harder for astronauts to poop. On this day in space Aug. 16, 1963: NASA's M2-F1 aircraft prototype makes its first glide ...

Space used to be the domain of governments. Now, private companies are transforming it into a marketplace. Astronaut Chris Hadfield tells Ian Bremmer how falling launch costs are opening space to more ...