Volcanism has played a more extensive role in shaping the surface of Mercury than scientists had thought. This result comes from multispectral imaging data gathered in January 2008 by MESSENGER, the ...

Measurements from NASA's MESSENGER spacecraft mapped the topography of Mercury's northern hemisphere in great detail. Planetary scientists have discovered salty glaciers near the north pole of Mercury ...

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 ...

(CNN) — 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.

Two new papers from members of the MESSENGER Science Team provide global-scale maps of Mercury’s surface chemistry that reveal previously unrecognized geochemical terranes large regions that have ...

Mercury has gotten some new wrinkles in its old age. The innermost planet shows signs of relatively recent tectonic activity, a new study suggests. Tiny cliffs on the surface — just tens of meters ...

Mercury has a surface unlike any other planet's in the solar system, instead resembling a rare type of meteorite, researchers say. The finding, based on an analysis of data from NASA's Messenger probe ...

Mercury is looking good for its age. Even the oldest parts of the surface of the planet closest to the sun are only 4 billion to 4.1 billion years old, not 4.5 billion years old — the age at which the ...

It's been known for some time that there are ice deposits on Mercury and the Moon, including frozen water found on the surface of the Moon last year. But now a new study suggests that there may be ...