Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions ...

CAPE CANAVERAL, Fla. (AP) – The only spacecraft ever to orbit Mercury ended its four-year tour with a crash landing Thursday. NASA’s Messenger plunged from orbit as planned and slammed into the sun’s ...

On April 30, 2015, NASA's MESSENGER mission came to an end when the spacecraft intentionally crashed into the surface of Mercury. MESSENGER was the first spacecraft to orbit Mercury and the second ...

NASA and the USGS created a topographic map of the closest planet to the sun. It's a view of Mercury that no one has ever seen before. They did it by using more than 100,000 pictures taken from NASA's ...

NASA’s Mercury-bound Messenger spacecraft dropped into orbit around the tiny, orbitally eccentric planet just a few months ago, and it’s already sent back enough data to notably alter our take on the ...