As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Mapping Geological Features on MercuryMercury, the innermost planet of our Solar System is a grey, barren world to our human eyes. In stark contrast, this map shows a portion of the surface in a ...

BepiColombo pulled off its fourth gravity assist of Mercury on Wednesday, approaching the planet’s cratered surface at the closest distance of 102 miles (165 kilometers) at 5:48 p.m. ET.

Analyses of data from the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft’s second flyby of Mercury in October 2008 show that the planet’s atmosphere ...

The planet Mercury could have a layer of diamonds up to 18 kilometers, or 11 miles, thick, tucked below is surface, scientists say.

Now our new paper, published in Nature Geoscience, offers fresh insight. Because Mercury’s interior is shrinking, its surface (crust) has progressively less area to cover.