Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Sin-Mei Wu, Jamie Farrell, and ...

A hydrothermal explosion violently shook part of Yellowstone National Park's Biscuit Basin Tuesday, damaging a boardwalk as several park guests ran to safety. The explosion occurred at the Biscuit ...

Visitors ran for safety at Yellowstone National Park after a hydrothermal explosion sent rock and steam spewing into the air north of the Old Faithful geyser Tuesday, park officials said. There were ...

LANDER - Old Faithful, as it turns out, has been getting a bit sluggish during the dry times. Geologists have known for years that earthquakes can affect geyser activity, but a new study suggests that ...

On the night of May 31, an eruption from the Black Diamond Pool in Yellowstone National Park shot up about 20 feet, according to the Yellowstone Volcano Observatory. On May 14, scientists had ...

A 60-year-old woman from New Hampshire was seriously injured while walking in a thermal area at the Yellowstone National Park in Wyoming. The woman was walking off-trail with her husband and leashed ...

BOZEMAN, Mont. -- A thermal spring near Old Faithful in Yellowstone National Park has erupted for the fourth time in the last 60 years, a park official said Thursday. Ear Spring on Yellowstone's ...

Old Faithful is one of the biggest icons of Yellowstone National Park! Truly, it is the world's most famous geyser and a bucket list destination for many. A visit to the world's first national park ...