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 ...

Gravitational Interaction, Relativistic Precession, Planetary Ephemerides, Mercury Share and Cite: Bootello, J. (2025) ...

Scientists may have solved alongstanding mystery in the study of Mercury. For the first time, pieces of the Solar System’s innermost planet could be on Earth, potentially shedding light on a world ...

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 ...

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics research institute. Kenna is also a freelance science journalist. Her beats ...

A collision with an asteroid might have set the planet Mercury whirling oddly in its orbit, a new study suggests. When one body orbits another — say, a moon around a planet or a planet around a star — ...

Mercury is farthest from the sun in Earth's morning sky on Aug. 19. Mercury will be farthest from the sun on Tuesday (Aug. 19), granting early risers a perfect opportunity to spot the fleet-footed ...

The rocky world will appear as a bright morning star hugging the horizon among the stars of the constellation Leo, with the bright star Regulus — also known as the "heart of the lion" — located less ...

This period where Mercury is farthest from the sun, called greatest elongation, happens twice every 116 days, or about every four months.