Almost all volcanic rocks come from the Earth's upper mantle (or lava). Volcanism, on the other hand, can have many different chemical and physical effects and can sometimes bring rare things to the ...

More than a billion miles away from Earth, on the ice giants of Neptune and Uranus, diamonds are forever. This isn’t cosmic poetry, but a reasonable scientific conclusion: We know that under extreme ...

Researchers have grown diamonds under conditions of 1 atmosphere pressure and at 1025 degrees Celsius using a liquid metal alloy composed of gallium, iron, nickel, and silicon, thus breaking the ...

There are various ways to create artificial diamonds, but a new method developed by researchers, including those at the University of Tokyo, yields some extra benefits. By specially preparing samples ...

These diamond makers create one of the most amazing materials on Earth — from dead people. For centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, ...