A plume of molten rock rising from the depths of the Earth in heartbeat-like pulses is slowly tearing Africa apart—and will ...

Beneath Yellowstone National Park lies something extraordinary—a giant underground chamber filled with molten rock, trapped ...

Deep beneath a Mexican mine lies the Cave of Crystals, a breathtaking cavern filled with colossal selenite formations.

Scientists have discovered a pulsating magma plume beneath Africa’s Afar region, slowly splitting the continent. This Rift ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

As another school year ends, the USGS Hawaiian Volcano Observatory welcomes two new summer interns: Kamalani Poepoe and Ruth ...

As another school year ends, the USGS Hawaiian Volcano Observatory welcomes two new summer interns: Kamalani Poepoe and Ruth ...

As another school year ends, the U.S. Geological Survey Hawaiian Volcano Observatory welcomes two new summer interns: Kamalani Poepoe and Ruth Gale. With an ongoing eruption at the summit of Kīlauea, ...

Mount St. Helens, one of the most studied volcanoes in the United States, is showing signs of renewed activity as its magma chamber begins recharging. This update covers the recent earthquake ...

Along the eastern shore of Hudson Bay in Canada's northeastern province of Quebec, near the Inuit municipality of Inukjuak, resides a belt of volcanic rock that displays a blend of dark and light ...

A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...