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 ...

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 ...

Mercury may be the closest planet to the Sun, but it's long been overshadowed in scientific exploration. With only two missions ever reaching it - most recently NASA's MESSENGER - the planet remained ...

The meteorites could open up a new avenue to understand Mercury, pictured, which is notoriously hard to study due to its proximity to the sun. NASA / Johns Hopkins University Applied Physics ...

Yesterday at 4:40AM east time, Nasa’s Messenger (MErcury Surface, Space ENvironment, GEochemistry and Ranging spacecraft) flew by just 125 miles over the surface of Mercury, the closest planet to the ...

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 ...