The Echinus Geyser at Norris Geyser Basin erupted in February after years of inactivity. Scientists say lucky visitors may still catch an eruption this summer.

From alpine backcountry to coastal waters, some of America's most breathtaking protected lands hide world-class fishing you won't want to miss.

Biologists working in the northern part of the park reported their first grizzly bear sighting of the season on March 9. The bear was observed scavenging on a bull bison carcass in the park’s back ...

Viral videos claim animals are fleeing Yellowstone before an eruption. Experts, park officials, and Snopes say the claims are completely false.

Viral videos claim animals are fleeing Yellowstone before an eruption. Experts, park officials, and Snopes say the claims are ...

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!

Grizzle bears are not known to travel in herds like this all at once and great distances, and they are headed towards Salt Lake City, Utah." ...

Yellowstone's Largest Acidic Geyser Wakes Up After Six Years, Blasting Water 30 Feet High ...

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

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 ...

Discover Old Faithful Geyser in Calistoga, California, a rare geyser that erupts like clockwork in Napa Valley’s geothermal landscape.

Eruptions of Echinus Geyser varied tremendously when the geyser was vigorously active,” noted the Yellowstone Volcano Observatory in a March 2 update. “They could be vertic ...