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

Blacksburg, Va. – Patterns of scalloped-edged cliffs or lobate scarps on Mercury’s surface are thrust faults that are consistent with the planet shrinking and cooling with time. However, compression ...

The International Astronomical Union (IAU) has approved new names for features on Mercury and agreed on a new theme for fossae on the planet. These newly christened features were discovered from ...

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 ...

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 ...

These maps show the infall of particles (protons, top two rows, and electrons, bottom two rows) across the surface of Mercury. The infall of particles is dependent on the orientation of the ...

(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.