A provocative new hypothesis suggests that Yosemite Valley was carved by an ancient volcano and a disappearing river, both of ...

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

The underwater volcano is located off the Pacific Northwest coast. Current projections suggest an eruption could occur by year-end. Scientists are using an underwater volcano off the coast of the ...

Things are heating up hundreds of miles off the coast of Oregon, where a large undersea volcano is showing signs of impending eruption, scientists say. The volcano, known as Axial Seamount ...

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Over the past 12 months, an Alaskan volcano named Mount Spurr has become noticeably ...

More than two dozen earthquakes have rattled a massive Alaska volcano over the last two days, potentially signaling an imminent eruption. Mount Spurr, which is 11,000-foot-tall and located 81 ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

"Dormant volcanoes usually show little activity unless they're on the inevitable road to eruption," which lead to concern about Uturuncu. Luckily, the chances of an eruption are low. "A bad sign ...

SHIMABARA, Nagasaki Prefecture--Locals gathered here on June 3 to commemorate the massive eruption of Mount Unzen ... fast-moving mix of superhot gases and volcanic matter.

All residents in the zone from Mount Fuji to Sagamihara, Kanagawa Prefecture, just west of Tokyo, should evacuate in the event of a major volcanic eruption at Japan’s tallest peak, an expert ...