Yellowstone National Park sits atop one of Earth's most closely watched volcanic systems. The U.S. Geological Survey documented 52 earthquakes in July 2025 alone. All tremors remain classified as ...

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Liv Wheeler, M.S. student, and Stacy ...

Officials at Yellowstone National Park are shutting down rumors circulating on social media about wildlife leaving the park due to potential volcanic eruptions. Claims about animals leaving ...

A small eruption occurred at Yellowstone National Park in Wyoming on Saturday, and a newly installed webcam captured it.The webcam was set up just weeks before the eruption to monitor activity at the ...

YELLOWSTONE NATIONAL PARK — The United State Geological Survey is reporting a small eruption occurred at the Black Diamond Pool in the Biscuit Basin, which was the site of a hydrothermal explosion ...