"We calculate that, given the new estimate of the pressure at the mantle-core boundary, and knowing that Mercury is a carbon-rich planet, the carbon-bearing mineral that would form at the interface ...

A treasure trove of diamonds may be sown into Mercury’s cratered crust. Billions of years of meteorite impacts may have flash-baked much of Mercury’s surface into the glittery gemstones, planetary ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A layer of diamonds ...

NASA's MESSENGER mission has revealed that Mercury, the solar system's tiniest planet and the closest to the sun, hides a big secret. When you purchase through links on our site, we may earn an ...

In brief: Mercury is the smallest planet in the solar system and has always been a mystery due to its dark surface and high core density. However, astronomers have long known that its surface contains ...

Beneath the blistering heat and cratered terrain of Mercury, scientists believe a glittering geological marvel could be hiding — a diamond shell as thick as 11 miles encasing its core. In a study ...

Mercury, the planet closest to the sun, has a 10-mile-thick mantle of pure diamond, according to NASA. The report, derived from data taken from the NASA MESSENGER probe that orbited the red-hot planet ...