"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 ...

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 ...

Despite—or rather, because of—Mercury’s tumultuous early years, it could now be a diamond-encrusted world. Space rocks that smashed into the graphite that blankets much of the planet could have ...

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 ...

An excess of carbon on the planet means that Mercury is starkly drab and gray on the surface. But new research suggests that underneath, the tiny world harbors a glittering interior fit to be the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 3 years old. New research ...

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. The ...