Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

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

The eruption shot ash several kilometers into the air. Trump Promised ‘No Tax on Tips.’ Then Came the Fine Print. I spent $12.50 for a day inside California's new gigantic hotel A boy saved by barbed ...

Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are ...

Lava spewed from Hawaii’s Kilauea Volcano on Sunday, June 29, as it entered Episode 27 of its ongoing eruptive phase, the US ...

A bison is seen right before falling into Grand Prismatic Spring at Yellowstone National Park on June 21, 2025.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season.

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

Dredging of Pohoiki boat ramp has been underway for the past two weeks, as crews work to remove 42,000 cubic yards of black sand, rocks and boulders, deposited by the 2018 eruption of Kīlauea.

A bison fell into a hot spring in Yellowstone National Park and died in full view of visitors. Several witnesses took pictures and posted on social media, calling it extremely sad. The ...

After a thermal explosion at Biscuit Basin, the Yellowstone Volcano Observatory unveils a new safety plan to enhance monitoring and protect visitors in the park.