Close-up images from NASA’s MESSENGER spacecraft revealed that Mercury’s surface records impacts of almost unimaginable scale ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

View of planet Mercury from space. Space, nebula and planet Mercury. This image elements furnished by NASA. A few evenings ago I found myself in a remote layby in Utah close to Canyonlands National ...

(Left) A colorful view of Mercury produced using images from the color base map imaging campaign during MESSENGER's primary mission (Right) what Mercury may look like were its outer layers stripped to ...

The European Space Agency's (ESA) Hera spacecraft is scheduled to arrive at the binary asteroid system Didymos in November ...

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 ...

Mercury, the planet closest to the sun, has a 10-mile-thick mantle of pure diamond, according to NASA. The report, derived from data taken from the NASA MESSENGER probe that orbited the red-hot planet ...

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 ...

Forget Pluto, a hidden Mickey Mouse lives on Mercury. A NASA spacecraft has captured a spectacular photo of Mercury craters arranged in a shape that looks just like Disney's iconic cartoon mouse. The ...

NASA's Messenger probe is poised to make history Thursday (March 17), when it will become the first spacecraft in history to orbit the planet Mercury. At 8:45 p.m. EDT Thursday (0045 GMT March 18), ...

Landing with parachute extended of Astronaut Walter M. Schirra's Mercury-Atlas 8 (MA-8) capsule, called the Sigma 7, after a world orbital flight. Photo taken October 11, 1962. Technicians were ...