Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

Color photos shot in 1980 from the cockpit of a Cessna 150 reveal the magnitude of Mount St. Helens' ash and destruction amid ...

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only ...

Scientists have solved the mystery on why a "zombie" volcano in South America has been displaying possible signs of an eruption for decades.

New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

Mount St. Helens stood silent for over a century in Washington’s Cascade Range, but that all changed 45 years ago Sunday when ...

Stunning, historic front-page coverage from The Oregonian reporters Les Zaitz and Steve Jenning reports the confusion and ...

Eruptive activity at Kīlauea’s summit began again Dec. 23, 2024, with the first in what has become 20 discrete lava ...

This striking, false-color satellite image shows the intense heat coming from a pair of lava lakes that emerged on simultaneously erupting volcanoes in Congo. The neighboring peaks are among ...

Salem Towne, a pilot from Poulsbo, is finally releasing photos he took 45 years ago - moments after Mt. St. Helens erupted.

Uturuncu volcano in Bolivia Jean-leo Dugast/Gamma-Rapho via Getty Images Scientists from the ... scientists say An eruption at Uturuncu -- which sits above the world's largest-known magma body ...