Nasa's Valkyrie robot was built by the Johnson Space Center to compete in a 2013 robotics challenge trial. Weighing 300lb and ...

In remote Kazakhstan, photographer Andrew McConnell captured astronauts’ return from the ISS — and the nomadic communities ...

Ever wonder what the northern lights look like from space? Thanks to NASA astronaut Don Pettit, you can see for yourself.

Space travel has always hit a wall with slow speeds and massive fuel needs. Gravitic propulsion systems offer a game-c ...

The vintage NASA photos include Earthrise, which was captured by the crew of Apollo 8 as they orbited the Moon.

ESA warns that unchecked debris accumulation could lead to Kessler Syndrome, rendering space travel impossible in future.

What to know about the growing threat of space debris as satellites multiply and experts warn of potential orbital disaster.

The 21-month trip to Mars poses a litany of problems, particularly keeping people healthy. Could hibernation be an answer?