As planets go, Mercury is a world of extremes – and one that doesn’t always make a great deal of sense. Its iron core is ...

Unlike other rocky planets, Mercury’s surface is surprisingly poor in iron despite its disproportionately large iron-nickel core. This anomaly has long puzzled scientists and prompted extensive ...

A spacecraft named BepiColombo is currently zipping by planet Mercury, making a very close flyby and snapping incredible high ...

The BepiColombo spacecraft flew less than 200 miles from Mercury's surface and photographed volcanic plains and icy craters.

A layer of diamonds was found beneath Mercury's surface. This could help scientists understand the planet's unusual magnetic ...

Mercury ' s inner core is solid and about the same size as Earth ' s inner core, a new study using observations from NASA's MESSENGER mission has indicated. Mercury is the smallest planet in our ...

One of the key ones concerns the object's oversized iron core, which represents 60% of Mercury's mass. Science cannot yet explain why the planet only has a thin veneer of rocks. "When we get into ...

Mercury's magnetic field, as observed by the two flybys of the Mariner 10 spacecraft that penetrated the magnetosphere (one of which was a polar pass), had a magnitude of roughly 300 nT at the ...

Mercury, Venus, Earth and Mars, were created closest to the Sun. Made of rocks and metals, they have solid surfaces and a central core of mainly iron. Small in comparison to the gas planets found ...