Mantle plumes beneath volcanic hotspots, like Hawaii, Iceland, and the Galapagos, seem to be anchored into a large structure within the core-mantle boundary (CMB). A new study, published in Science ...

Scientists have discovered an ancient "ghost" plume lurking beneath Oman. The magma plume is trapped beneath a thick portion of Earth's crust and the upper part of the mantle, the planet's middle ...

The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor.

A new seismic study reveals that Earth’s largest volcanic event fundamentally transformed the oceanic plate beneath the ...

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.

“The chemical striping suggests the plume is pulsing, like a heartbeat.” That is how Professor Tom Gernon of the University of Southampton reports a breakthrough which is revolutionizing our knowledge ...

"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 ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. An international team of researchers investigated how Earth’s ...