A low-density, weak-gravity region has been found below Olympus Mons and the Tharsis volcanoes, while Mars' northern hemisphere is littered with puzzling high-gravity structures beneath the surface.

Concerns are growing among scientists in Iceland that a volcano that erupted several times since the end of 2023 could erupt ...

Lava flows from the Fagradalsfjall volcano in Iceland's Reykjanes Peninsula on March 25, 2021. This was the first eruption on the Reykjanes Peninsula in approximately 800 years.

The magma cap is critical for preventing eruptions at Yellowstone. Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

Hidden Underground Magma Pools Fueled Iceland’s Volcanic Eruptions, Study Suggests A subterranean plumbing system of magma beneath the island’s Reykjanes Peninsula may have helped set off the ...

Underneath Yellowstone National Park, magma bubbles and flows. But exactly how close it is to the surface has long been a mystery to scientists — until now. For the first time, researchers have ...

Scientists have discovered a giant 'magma cap' under Yellowstone National Park. The cap is likely playing a critical role in preventing a massive volcanic eruption.

An enormous plume of magma over a thousand miles across is slowly but steadily rising underneath Mars' Tharsis volcanic region and could one day provoke a mighty eruption from the solar system's ...