An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

Comparing pollen records from three lakes in different geological substrates highlights the influence of geology and climate on long-term vegetation development.

Mount Spurr, an 11,000-foot-tall volcano in Alaska has a 50-50 chance of erupting in the near future, according to the USGS, ...

Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Cathy Whitlock, Regents Professor ...

Yellowstone Park is a popular destination for geology field trips. It’s easy to see why — the dynamic landscape contains a ...

Scientists say it is not likely the Yellowstone Volcano will erupt anytime soon - in the video below, John Sherer reports on ...

A fountain of lava was spewing from a Hawaii volcano Tuesday in the latest episode of an eruption that has paused and resumed ...

Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

Yellowstone's volcanic activity is waking up after 160,000 years. Learn how scientists are monitoring and preparing for ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...