A “brave” little elk calf sprinted to safety — with a pack of wolves close on its heels in Yellowstone National Park, ...

Fans of Raspberry, one of Yellowstone National Park’s most beloved and popular grizzly bears, fear she’s dead, perhaps killed ...

A $20 surcharge to foreign visitors to Yellowstone, for instance, could generate $11.9 million in annual revenue, according ...

Ain’t no mountain high enough to keep tourists from getting to you at Great Smoky Mountains National Park, the most popular ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

A pair of baby bison ran off, what appeared to be the "zoomies," as the adults around them continued to graze without batting ...

The incident occurred at Grand Prismatic Spring near Old Faithful as tourists were enjoying a close-up view of the famous and ...

"The calf swam across the river and, thinking the wolves were gone, decided to swim back. Unfortunately, 3 wolves were ...

There were two bison [standing] there. I thought it was a great photo opportunity,” said Louise Howard, who witnessed the ...

With many national parks facing huge backlogs of deferred maintenance — Yellowstone National Park alone is estimated to have ...

The bison died in the boiling waters of the Grand Prismatic Spring. This happens from time to time, but usually not in front ...

It happened on Saturday morning, June 21, at the park’s Grand Prismatic Spring, Michael Poland, geophysicist with the U.S.