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

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity manifested in geysers, hot springs, mud pots, and other thermal features, but e ...

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

Footage shows a small eruption from Black Diamond Pool in the Biscuit Basin subbasin of Upper Geyser Basin, Yellowstone ...

Colin Scott, 23, was exploring Yellowstone National Park with his sister in 2016 when he slipped and fell into a hot spring at Norris Geyser Basin.

Pack in all of the fun to your vacation with this list of the best things to do in Yellowstone National Park! This incredible ...

WARNING: DISTRESSING CONTENT A young man tragically lost his life after falling into a hot spring at Yellowstone National Park in a horrifying accident in 2016.

If the universe saw fit to eradicate winter from the Earth, I would be just fine. I find very little joy in the cold, dark, ...

The grounds in the north rim of Yellowstone have bloated about an inch since July 2025 due to magmatic stress. Is this a sign of an impending eruption?

"Please stay out of our national parks." Onlooker captures video of tourist's reckless actions at US national park: 'Arrest ...

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