The volcanic system beneath Yellowstone National Park is one of the few places on Earth capable of an eruption so large it ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

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

Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

At Puʻuʻōʻō, fissures reopened on either side of the vent, while at Maunaulu, the eruption stalled and the vent collapsed ...

For years, public imagination has fixated on Yellowstone as the ultimate natural doomsday machine, a supervolcano waiting to ...

A landmark on Pluto that was previously designated as an impact crater may actually be the caldera of a supervolcano that has exploded in the past few million years, new research suggests. But not ...

Kīlauea seems to be in a shaking kind of mood after Episode 40 of its ongoing episodic lava-fountaining eruption at the summit ended Monday (Jan. 12), with a third swarm of earthquakes rattling the ...

JEMEZ SPRINGS — A rumble rocks the front porch of the log cabin containing the Volcano Discovery Center at the Valles Caldera National Preserve. Another volcanic eruption is beginning, but unlike the ...

As the Maunaulu eruption waned, Kilauea summit inflated and two brief eruptions occurred in the latter half of 1971 — one in ...