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 ...

Episode 41 of lava fountaining to more than 1,600 feet high as part of the ongoing episodic summit eruption of Kīlauea ...

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

Crater Rim Drive East in Hawai‘i Volcanoes National Park has reopened following extensive cleanup after massive amounts of ashfall and volcanic rock from the latest Kīlauea eruption blanketed the ...

Lava and ash have once again transformed the summit of Kīlauea into a vision that looks ripped from a disaster film, with ...

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

Kīlauea summit region has been remarkably quiet, from an earthquake standpoint, since the current eruption began on the night ...

This stunning astronaut photo shows the natural beauty of Japan's Aso Caldera — a giant crater-like bowl containing 17 different volcanoes, leftover from major eruptions spanning over 200,000 years.

Seeing a volcano with my own eyes is a total bucket list dream, but seeing a volcano that's experiencing active volcanic ...

Caldera volcanic eruptions create geological hazards that affect many communities around the world. Geophysical, geochemical and remote sensing data have become essential for understanding the tectono ...