Basalt, the dominant volcanic rock along the Pacific Ocean's "Ring of Fire," is considered a melting product of the Earth's mantle. On the left is vesicular basalt, in which dissolved gases formed ...

Geoscientists have long thought that water -- along with shallow magma stored in Earth's crust -- drives volcanoes to erupt. Now, thanks to newly developed research tools, scientists have learned that ...

The magma that erupts from basaltic volcanoes in the middle of tectonic plates originates from within Earth's mantle — rather than from the outer crust — and is propelled upward by CO2, not water.

When you think of a Yellowstone eruption, you probably picture a massive, caldera-forming explosion. But new research is shifting that focus, revealing that the supervolcano's most recent known ...

Lava flows erupted at Newberry cover an area larger than Rhode Island. Powerful explosive eruptions sent volcanic ash into Idaho and the San Francisco Bay Area. A deep caldera indents its summit, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Genesis, the luxury arm of Korean automaker Hyundai, has made it ...

After 50 years of slumber, the volcano that forms the Cumbre Vieja on the island of La Palma in the Canary Islands in Spain roared back to life on Sept. 19, 2021. The last eruption on the island ...

What is the collective noun for a group of volcano scientists? While some tongue-in-cheek responses might be “an eruption of volcanologists” or “a swarm of seismologists,” we’ll stick to “an assembly ...

ITHACA, N.Y. – Geoscientists have long thought that water – along with shallow magma stored in Earth’s crust – drives volcanoes to erupt. Now, thanks to newly developed research tools at Cornell, ...