Learn more about glacial periods in Yellowstone National Park and how they may be connected with hydrothermal activity.

What happens when an earthquake rattles Yellowstone National Park, which is home to an active volcanic system? A magnitude 3.3 earthquake hit Mammoth, Wyoming, on Thursday morning, according to the U.

"Kablooey!" That's the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS ...

Yellowstone National Park is a regular fixture on many travelers' bucket lists since it was declared America's first national park back in 1872. Spanning over 3,500 square miles, it's one of the ...

That’s the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS on social ...

Will Yellowstone erupt or are we blowing things out of proportion? We may have underestimated Yellowstone’s potential to blow its stack in the future. Chinese scientists have made a disconcerting find ...

Could a geological disaster be brewing beneath the surface of Yellowstone National Park? Many scientists and curious onlookers have asked the same question, wondering if one of the most famous ...

If you’ve ever wondered how many bathtubs’ worth of water Old Faithful spews upwards on any given eruption, then you’re not alone. A team of researchers in Yellowstone National Park asked that very ...

A muddy eruption at Black Diamond Pool in Yellowstone National Park has been captured on camera. The video was recorded by the Yellowstone Volcano Observatory webcam Saturday morning. They said the ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around 9:23 a.m., a powerful mud eruption took place at the Black Diamond Pool in ...

That’s the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS on social ...