Africa’s Turkana Rift Zone, a hotbed of hominin fossils, is caught in the act of “necking," a critical transition toward ...

Add Yahoo as a preferred source to see more of our stories on Google. Beneath the American Midwest, on the continent of North America, the underside of Earth's crust is dripping into the planetary ...

Scientists found mantle-linked helium signatures in Zambia's Kafue Rift hot springs. The findings suggest the Southwest ...

The Earth with the upper mantle exposed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock approximately 100 miles beneath the Earth's ...

An artist's conception of the early Earth, showing a surface bombarded by large impacts that result in the extrusion of magma onto the surface. At the same time, distal portions of the planet's ...

The crust has survived massive amounts of upheaval and change. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A 4-billion-year-old piece of ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...