Add Yahoo as a preferred source to see more of our stories on Google. (Left) A colorful view of Mercury produced using images from the color base map imaging campaign during MESSENGER's primary ...

Add Yahoo as a preferred source to see more of our stories on Google. New analysis suggests Mercury may hold a deep diamond layer formed as its carbon-rich core slowly crystallized. (CREDIT: Wikimedia ...

Scientists have made an astonishing discovery about Mercury, the smallest and innermost planet in our solar system: some of its core might be made of diamonds. This revelation comes from a recent ...

(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.

Imagine a place where the floor beneath your feet isn't soil and rock. It's a sparkling, mile-thick layer of diamond. This sounds like the setting of a big-budget sci-fi movie. However, for Mercury, ...

"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 ...

Mercury does not look like a world built for extravagance. It is small, battered, sun-scorched and gray. Yet far below that dark surface, the innermost planet may hold one of the stranger planetary ...