By reconstructing a 700,000-year history of Methana volcano, geologists found a prehistoric phase when it appeared inactive ...

Tiny crystals suggest extinct volcanoes could still grow underground, a finding that could reshape how scientists assess ...

Evidence suggests that Venus is still volcanically active, and new data about a big eruption in Hawaii a few years ago could ...

The 44th episode of lava fountaining on Thursday saw streams ascending over 500 feet above the vent in spectacular color.

Two-dimensional maps of clinopyroxene crystals that passed through a volcano’s magma chamber display a sharp increase in ...

HONOLULU (AP) — The ground at the summit of Kilauea volcano in Hawaii has been rumbling and swelling in recent days, prompting scientists to warn that the mountain could once again disgorge lava. But ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

Add Yahoo as a preferred source to see more of our stories on Google. People watch the surf on the coast of Central Oregon. The Axial Seamount, an underwater volcano 300 miles off the coast of Oregon, ...

For much of 2025, an underwater volcano off the Oregon coast was treated as a geological ticking clock, with forecasts suggesting it could erupt at almost any moment. Instead, the year is ending ...

One of the most explosive volcanoes in U.S. history began its eruption with a trickle, not a blast. Mount St. Helens' gas-laden magma oozed into the cone before the mountain finally erupted in 1980.

Scientists in the Philippines warned Saturday that a volcano in the middle of a lake could erupt and release toxic gas. Within a 24-hour period ending Saturday morning, 21 earthquakes shook the area ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma – and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure ...