NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

In the ending of Alien, the remaining crew of the USCSS Nostromo is pitted against the Xenomorph, learning the terrible truth ...

SpaceX has marked its 250th dedicated Starlink launch with a breathtaking photo showing its Falcon 9 rocket heading to orbit.

There are few more iconic images from the Hubble Space Telescope than this one. A colossal pillar of gas and dust towering ...