Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding ...

Kilauea's volcanic activity on Wednesday marked the fifth episode since the latest eruption began in December 2024.

Yellowstone National Park is noted for the geothermal marvels, but it is the threat below ground that holds the attention.

The greatest supervolcano on Earth, a geological giant with enormous destructive potential and an unmatched promise for ...

Ranger naturalist George D. Marler meticulously documented changes in hydrothermal activity in the geyser basins of ...

Axial Seamount is a young, 30 million-year-old undersea volcano in the Pacific Ocean off the U.S. coast, and it’s expected to ...

Deep within the Yellowstone Caldera, the bowl-shaped rock cauldron at the heart of Yellowstone National Park, there’s a clue ...

Experts believe a Mount Rainier eruption would post a grave threat to millions who live in the southern and eastern sections ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano ...

Yellowstone’s supervolcano is showing signs of awakening after 160,000 years. Find out how scientists are tracking magma ...

In 2011, the 30-year space shuttle program ended as Atlantis touched down at NASA’s Kennedy Space Center. With five shuttles ...

The eruption that began Dec. 23 in a crater at the summit of Kilauea volcano has paused periodically. It resumed Wednesday morning as a “small sluggish lava flow,” and then increased into a fountain ...