Move over, Hope Diamond. The most famous gems on Earth have new competition in the form of a planet made largely of diamond, astronomers say. The alien planet, a so-called "super-Earth," is called 55 ...

There may be more than a quadrillion tons of diamond hidden in the Earth’s interior, according to a new study from MIT and other universities. But the new results are unlikely to set off a diamond ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A battered diamond that survived a trip from "hell" confirms a long-held theory: Earth's mantle ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A rare type of diamond may suggest that water can penetrate deeper into Earth's interior than ...

Earth’s inner layers are home to a water-saturated environment, according to a new study that assessed minerals trapped inside a rare gem diamond originating from a depth of about 660km underground.

A never-before-seen mineral has been discovered in a stunning 'super-deep diamond' formed in the Earth's mantle. Calcium silicate perovskite is usually buried 400 miles below the surface and is ...

Diamond stands up to a squeeze. Surprisingly, the material’s structure persists even when compressed to 2 trillion pascals, more than five times the pressure in Earth’s core, scientists report January ...

Geologists have studied tiny pockets of fluids trapped inside diamonds to get a better understanding of how old humanity’s favorite rocks might be. In doing so, they identified three distinct periods ...

LONDON (Reuters) - Forget the diamond as big as the Ritz. This one's bigger than planet Earth. Orbiting a star that is visible to the naked eye, astronomers have discovered a planet twice the size of ...

Can you say "bling bling?" Stargazing scientists at Yale can. They've discovered a rare super-Earth that approximates our planet's mass and radius, except for one big difference: Unlike our ...

A battered diamond that survived a trip from "hell" confirms a long-held theory: Earth's mantle holds an ocean's worth of water. "It's actually the confirmation that there is a very, very large amount ...

Sound waves reveal a surprisingly large diamond cache deep in Earth's interior, researchers report. There may be more than a quadrillion tons of diamond hidden in the Earth's interior, according to a ...