Deep beneath your feet, far beyond where any drill can reach, something strange is hiding. Two continent-sized blobs of rock sit just above Earth’s core, hot, dense and stubbornly different from ...

Earth-like planets have a thin crust, a large mantle (which contains a lot of molten magma), and a core. Inside these ...

Add Yahoo as a preferred source to see more of our stories on Google. Deep layers of molten rock inside some super-earths could generate powerful magnetic fields—potentially stronger than Earth’s—and ...

Scientists in the United States have 'blown the lid off' the Yellowstone supervolcano's mysterious underground reservoir of magma. A team of geologists and Earth scientists now claims to have finally ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

Far beneath the forests and hot springs of the American West, the continent’s largest active volcanic system is rumbling in ways scientists are only now beginning to fully resolve. New seismic ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over 70 percent of the world’s diamonds are mined from kimberlite ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...