For decades, Mercury has been seen as astatic, heavily cratered planet, a relic of early Solar System history. Its surface, ...

Learn about the bright streaks that may represent recent geological activity on Mercury, which has been considered a dead ...

The smallest planet in our Solar System may be hiding a big secret. Curious bright streaks on Mercury's surface, doodled on its craters and slopes, are probably a sign of very recent geological ...

NASA's hardest working probe has finally run out of fuel, and will meet a tragic fate as it crashes into the planet Mercury on April 30. See the amazing photos this probe shared with us in its very ...

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 ...

NASA is asking for the public's help, but there's a catch. Mercury's surface is seen in exaggerated color in this image provided by NASA. NASA/JHU APL/CIW — -- NASA is asking for the public's ...

Mercury has a very diverse surface, with some areas boasting young-looking terrain and others that are heavily cratered, but scientists couldn't explain why the planet's surface had such stark ...

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 ...