Earth’s landmasses lost trillions of tons of water this century
Earth’s landmasses are holding onto a lot less water than they used to — and this loss is not just due to melting ice sheets. Terrestrial water storage, which includes …
Earths
A new iron compound hints ‘primordial’ helium hides in Earth’s core
Scientists have coaxed one of the universe’s most stubborn elements into a new compound. Formed under intense pressures, the newly discovered compound packs helium atoms into crystalline iron, researchers report …