How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

Slumbering five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma ...

A new column of steam has emerged in Yellowstone, adding to the park’s dynamic landscape. While the volcano shows no eruption ...

It's common knowledge that Yellowstone Park sits on top of an ancient supervolcano, but what happened last time it erupted?

Lying five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma with the ...

On an August day in 2024, a Yellowstone National Park ranger driving south between Mammoth Hot Springs and Norris Geyser Basin noticed a plume of steam. Was it really steam, the ranger wondered ...

Looking south from near a pullout along the Mammoth to Norris road just north of the Nymph Lake overlook. On the other side of the marsh is a tree-covered rhyolite lava flow, and at the base of the ...

Geologically speaking, things are always changing at Yellowstone — especially in hydrothermal areas. It’s simply the nature of the complex hydrothermal system overlying one of the planet’s largest ...

Nikolay Patrushev cited recent research showing that a simulated eruption of the Yellowstone Caldera, which has shown increasing signs of active volcanic status over the years, and what ...

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

Slumbering five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma ...