NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of the Red Planet's Mount Sharp, ...

Using the Hubble Space Telescope, astronomers have discovered a new type of cosmic object, a cloud of dark matter and gas ...

Four astronauts are about to become the first humans to venture near the moon in more than half a century since NASA's iconic ...

Drone images show mile-long ice sheets with 7-foot shard walls, while officials remind visitors to check conditions before ...