Scientists have documented that Yellowstone’s rare acidic Echinus geyser has resumed erupting after more than five years of inactivity. The return of one of the park’s few acid-driven geysers ...

According to the outlet, the official grizzly sighting in 2025 happened on March 14. In 2024, the same happened slightly earlier on March 3, and in the years before that, bears were spotted on March 7 ...

When we look at the solid ground beneath our feet, it's easy to assume Earth has always been this way. But our planet tells a story so extraordinary, so ...

On March 9, Yellowstone biologists working in the northern part of the park reported seeing the first grizzly bear of the spring season. The bear was observed in the backcountry scavenging on a bull ...

What does a nondescript hot spring in Yellowstone’s Lower Geyser Basin have to do with Indiana Jones? Caldera Chronicles knows. Throw us the idol and we’ll throw you the story!

“That’s Yellowstone being Yellowstone!” the U.S. Geological Survey wrote in an update, a plainspoken line that fits a place ...

But hiding along a stretch of Interstate 90 in Central Washington is a geological marvel that rivals anything you’d find on ...

A tourist died late last week after entering a closed, hazardous area of Hawaii Volcanoes National Park in what some say is ...

Echinus Geyser, the world’s largest acidic geyser, suddenly burst back to life in Yellowstone last month after being dormant for five years. Once called ...

In Montana, this dramatic alpine lake formed by an earthquake offers mountain views, fishing spots, and geological history just minutes from Yellowstone.