A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath ...

A new volcanic vent was discovered at Yellowstone National Park, the U.S. Geological Survey announced this week.

The Alaska Volcano Observatory says that if the snowcapped volcano erupts, the impacts could include damage to aircraft from ...

While the likelihood of Mount Spurr erupting soon has increased, it's not yet clear if the Yukon will be affected.

Lava spatters inside and flows down the side of the north vent inside Halemaʻumaʻu Crater at the summit of Kīlauea volcano on ...

Mount Spurr near Anchorage has been showing signs of unrest for a year. Now scientists think it's creeping closer to an ...

Six small, short-lived lava flows erupted at Kilaueaʻs Halemaʻumaʻu crater between midnight and 6 a.m. on Wednesday, March 19 ...

Volcanologists at the Alaska Volcano Observatory have been monitoring volcanic unrest since April of last year.

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or ...

Mount Spurr, located about 75 miles West of Anchorage, has been acting up in recent weeks, prompting officials at the U.S. Geological Survey and Alaska Volcano Observatory to issue a yellow alert.

Yellowstone Has a Young Volcanic Vent With a 'Fiery' Surprise Beneath the Surface, Stuns Experts Yellowstone National Park ...