Yellowstone National Park, famed for its geysers and hot springs, sits atop one of the world's largest active supervolcanoes.

Morgan Geyser, who in 2014 stabbed a friend 19 times to appease the fictional character "Slender Man," cut off her monitoring ...

The Geological Society of America (GSA) is proud to announce the release of Geysers: What They Are and How They Work, Third ...

Yellowstone National Park, created in 1872 in the USA, is the oldest national park in the world. Learn why it was established ...

If you're chasing Yellowstone views but don't want the Yellowstone crowds, consider checking out a nearby state park in Idaho ...

A federal prosecutor in Wyoming pledges to “rigorously” prosecute people for small amounts of marijuana in national parks and ...

The Old Faithful Geyser of California stands proudly in Calistoga, shooting scalding water skyward every half hour like it’s auditioning for a role in a nature documentary.

Yellowstone faces a quiet winter amid shutdown, but some spots will remain open for the season. Yellowstone National Park ...

The Old Faithful Geyser of California sits in charming Calistoga, offering one of the most reliable natural spectacles you’ll ever witness – and you can drive there for a spontaneous day trip that ...

Discover the hidden gems of Idaho's national parks: from archaeological sites to volcanic parks, there's something for every ...

Winter might not be everyone’s first pick for travel, but it’s when some national parks truly show off their magic. Here are ...

For grizzly and black bears, respectively, per-sighting values are $16 and $14, aggregate annual sighting values are $6.9 and ...