Gabi Laske is a professor of geophysics at the University of California—San Diego. Hawaii's Mauna Loa, the world's largest active volcano, began sending up fountains of glowing rock and spilling lava ...

Since late 2023, the Reykjanes Peninsula in southwest Iceland has erupted repeatedly, forcing evacuations from the fishing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Mantle plumes are important geologic processes—they ...

Artist's impression of an active mantle plume – a large blob of warm and buoyant rock – rising from deep inside Mars and pushing up Elysium Planitia, a plain within the planet's northern lowlands.

A section of Earth’s mantle beneath Oman appears to be unusually warm, in what researchers say may be the first known “ghost plume” – a column of hot rock emanating from the lower mantle without ...

South of India, the ocean surface slumps into one of Earth’s strangest depressions, a gravity hole so deep it has puzzled ...

For decades, astronomers assumed that Mars was geodynamically dead — a planet without rumbling earthquakes and erupting volcanoes. Though remnants of towering volcanoes exist on the surface of the Red ...

Mars has a reputation as a cold, dead world, but a new study suggests that may be only partially accurate. Researchers from the University of Arizona have analyzed a region that appears to be ...

Orbital observations unveil the presence of an enormous mantle plume pushing the surface of Mars upward and driving intense volcanic and seismic activity. The discovery reveals that Mars, like Earth ...

On Earth, shifting tectonic plates reshuffle the planet’s surface and make for a dynamic interior, so the absence of such processes on Mars led many to think of it as a dead planet, where not much ...