As night falls on the Atacama Desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens. The driest place on Earth is the best place to observe the universe, with ...

CAPE CANAVERAL, Fla. (AP) — NASA says its two stuck astronauts may return to Earth sooner under a plan to switch SpaceX capsules.

Makuch, an astrobiologist at Technical University Berlin, has put forward a striking theory suggesting that NASA's Viking ...