A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

The Yellowstone National Park experiences the most significant changes that do not signal with noise. The surface started to rise in the very middle of one of the busiest spots of the north rim of the ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

The thermal vent is located on the road between Nymph Lake in the Mammoth Hot Springs area. If you don't get to see it, there are more than 500 active geysers located within Yellowstone National Park, ...

The same geyser that erupted last summer in a hydrothermal explosion in Yellowstone National Park was recorded erupting again, video shows. “Small eruption from Black Diamond Pool, site of a ...

The Steamboat geyser at Yellowstone Volcano smashed the record for the number of eruptions in a single year over 2019. In its monthly update of activity, the Yellowstone Volcano Observatory (YVO) ...

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.

The same geyser that erupted last summer in a hydrothermal explosion along a Yellowstone National Park boardwalk was caught erupting on video again thanks to a newly-installed webcam to track the ...