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

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

Europe's Mercury-bound probe BepiColombo made its third close flyby of its target planet on Monday (June 19), revealing a surface riddled with craters, including one that just received a name. The ...

From just 295 kilometers above Mercury's surface, ESA's BepiColombo transfer probe has captured stunning close-up images while on its final flyby of the tiny, sunbaked world. The photos represent a ...

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

After only 6 months in orbit around Mercury, NASA’s MESSENGER spacecraft is sending back information that has revolutionized the way scientists think about the innermost planet. Analyses of new data ...

The solar system’s smallest planet may have vast riches beneath its surface, according to a stunning discovery by a NASA spacecraft. Scientists have determined that Mercury, the closest planet to the ...

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

A team of scientists has a new explanation for the planet Mercury’s dark, barely reflective surface. In a paper published in Nature Geoscience, the researchers suggest that a steady dusting of carbon ...

(CNN) — Mercury, the smallest planet in our solar system, is all set for a rendezvous with a spacecraft. The BepiColombo mission will make its first flyby of Mercury around 7:34 p.m. ET on Friday and ...

A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system's smallest planet and the closest to the sun, according to new research. The ...

Photos from a fly-by of Mercury, the least-explored planet in our solar system, show it has a crater-riddled surface that resembles Earth’s Moon. The photos came from BepiColombo, a joint mission ...