Webcam video captured an eruption at the Black Diamond Pool in Biscuit Basin at Yellowstone National Park Saturday.

Summer doesn’t officially kick off until June 20 at summer solstice. But let’s be honest: if you haven’t dialed in your ...

Yellowstone National Park might be one of the most famous landmarks in all of the US, even for those living in other ...

A small town in Idaho sitting near the Yellowstone supervolcano has been rocked by an early morning earthquake , possibly ...

We here at Cosmo have the privilege of traveling a lot (you've seen our CosmoTrips content already, right?), and have stayed in many a luxe hotel as a result. If there's one thing we've learned, it's ...

The Yellowstone caldera has a magma chamber about 40 by 80 kilometers across. The place where the stored melted rock meets solid, non-melted rock and forms a lid is called the magma cap.

United States Geological Survey (USGS) scientist Mark Stelton (left) and Kenneth Sims, a UW professor of geology and geophysics and a member of the USGS Yellowstone Volcano Observatory, examine a ...

A group of US Geological Survey (USGS) geologists have discovered signs of rhyolitic volcanism in the northeast-shifting Yellowstone caldera. The Yellowstone Caldera, a volcanic caldera and ...

Yellowstone Caldera ... consider taking the time to view some of its many waterfalls. Perhaps you might be able to identify different rocks on either side of the waterfall, or perhaps see the ...

But the stand of trees is hiding a rhyolite lava flow, a thick type of lava that tends to form short, chunky flows throughout the Yellowstone Caldera ... on the other side of the lava flow ...

On the other side of the marsh is a tree-covered rhyolite ... in the latest edition of Yellowstone Caldera Chronicles, which is part of the USGS. Aerial view looking to the west at the Roadside ...