Add Yahoo as a preferred source to see more of our stories on Google. Whether this most recent Mercury retrograde in Leo and Virgo has proven to be restful and restorative for you, riddled with ...

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a sun-scorched, metal-rich world with a puzzling magnetic field and lavas unlike ...

Simulations of Mercury's childhood suggest the runt of the Solar System may have inherited a fortune in the form of a 15-kilometer (9-mile) thick layer of solid diamond. Sandwiched between the core ...

"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, once thought a simple iron ball, may boast a mile-thick diamond layer beneath its surface. New research suggests ...

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 ...

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 ...