Most of the U.S. volcanoes that have been making themselves known since spring woke up a bit, shook themselves off and then ...

BYU quarterback Jake Retzlaff transferring following tumultuous few months ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

SEATTLE – Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say ...

A room with a view of one of the world’s most active volcanoes? A lodge that echoes The Shining? These six hotels and resorts ...

A swarm of earthquakes under the largest volcano in the Cascade Mountain Range has some people wondering if it's rumbling ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?