Skywatchers have a rare opportunity to witness a rare six-planet alignment on February 28, 2026. Mercury, Venus, Neptune, ...

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'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, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

The six-planet parade will feature Mercury, Venus, Neptune, Saturn, Uranus and Jupiter. Mercury, Venus, Saturn and Jupiter will be visible, weather permitting, to the naked eye, while you'll need ...

NASA's Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the sun. The first spacecraft to circle Mercury, Messenger is ...