Plume of gas ejected from Mercury’s atmosphere extended to form a comet-like tail, which was captured by the ...

Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions ...

When NASA's Messenger probe finally entered orbit around Mercury, it discovered a world that is still geologically active.

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 ...

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 ...

(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 ...

A single year is left in the long joruney of the two BepiColombo spacecraft as they try to reach planet Mercury for a truly ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

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 ...

Mars and Mercury cozy up, the Leonids sparkle, and Saturn's rings are…disappearing? Mars and Mercury get close for a conjunction, the Leonid meteor ...

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 in color, from data collected by NASA's MESSENGER spacecraft. Scientists studying Mercury have discovered evidence for the existence of glaciers in the planet’s polar regions and suggested ...