Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

Ranger Adam Dean from the Valles Caldera National Preserve speaks to Kiwanis at their Jan. 20 meeting. Courtesy photo BY BROOKE DAVISKiwanis Club Jan. 20, the Kiwanis Club of Los Alamos was ...

Inside the McDermitt Caldera, a 16‑million‑year‑old volcanic crater straddling the Oregon–Nevada border, geologists have ...

Kīlauea seems to be in a shaking kind of mood after Episode 40 of its ongoing episodic lava-fountaining eruption at the ...

Buried beneath the high desert on the Oregon–Nevada line, an ancient volcanic scar is suddenly being talked about in the same ...

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 ...

Since it was recognized as an International Dark Sky Park in 2021, the Valles Caldera National Preserve has provided visitors with opportunities to experience the night skies at the northern New ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Mike Poland, geophysicist with the ...

But as a reader of Yellowstone Caldera Chronicles, you probably guessed that things are slightly more complex. Almost nothing at Yellowstone, or any other volcano, is simple. Volcanoes are complicated ...

HAWAII VOLCANOES NATIONAL PARK, Hawaii -- A man has been injured after he fell into the caldera of the Kilauea volcano on Hawaii's Big Island, according to officials. The man fell from a 300-foot ...