Beneath 300 kilometers: Scientists find first natural evidence of nickel-rich alloys deep in mantle

Earth's mantle is a restless, enigmatic engine that powers volcanism, recycles crust, and regulates the long-term evolution of the planet. But one of its most elusive characteristics—the redox state, ...
Earth.com

Tourist finds a diamond the size of a piece of gum in a U.S. state park

A French tourist accidentally finds a 7.46-carat diamond at the Crater of Diamonds (Arkansas) on January 11, 2024, public.