From engines that use no fuel to an actual city in the clouds, here are 5 unbelievably cool projects NASA is working on. Em Drive This drive works by bouncing microwaves around in an enclosed chamber,

NASA's OSIRIS-REx mission is orbiting an asteroid closer than any spacecraft has ever orbited a body — and it shows in an incredible pair of photographs that the team released yesterday (Jan. 24).

A spooky new series of shots shows asteroid Bennu approaching the camera and receding into the distance during a spacecraft flyby.

Bei jeder Erwähnung der Mission zum Asteroiden Bennu liest man: die Sonde Osiris Rex soll eine Probe vom Planeten aufsaugen. Das wollte mir nie in den Kopf. Bennu hat kaum 500 m Durchmesser. Da gibt es

NASA's asteroid-sampling OSIRIS-REx probe has begun circling its space-rock target, setting a new record for the smallest body ever orbited by a spacecraft.

As the OSIRIS-REx spacecraft zeroed in on its target, the asteroid Bennu, the object transformed from a fuzzy dot into an incredibly bumpy world full of sharp contrasts. But those images don't produce

Even as a European lander performed an epic touchdown on an asteroid this week, NASA started final maneuvers on Monday (Oct. 1) to send its own spacecraft to a space rock.