A Colorado man was sentenced to jail and banned from Yellowstone National Park after officials say he walked off a designated ...

Mounting development is a grave threat because of how it is carving up an ecosystem that must stay relatively intact to ...

Travel company Xanterra is offering up to 30% off stays at its lodges in Zion, Grand Canyon, Yellowstone and other U.S.

Yellowstone National Park will close its West, South, and East entrances to regular vehicle traffic starting Nov. 1 ...

NASA scientists concocted an idea a decade ago to save the world from a civilization-ending eruption of the supervolcano underneath Yellowstone ...

A WOLF, A BEAR, a spiderweb, fall leaves, and bats are among the charming templates, as well as a human and bison combination ...

Many of America's best outdoor (and, in some cases, indoor) destinations are under the jurisdiction of the National Park ...

Veterans Day is the last entry fee-free day this year. Also in California, veterans can enter 144 state parks for free on ...

A fall snowstorm blew through Yellowstone National Park late Thursday and early Friday ... one visitor from Southern California gushed as they snapped a photo in front of a park sign after ...

Combined with the incredible hydrothermal features, this national park rivals both Yosemite and Yellowstone. Although Oakland ...

The bear known as Grizzly 399 was killed Tuesday evening after being hit by a car in Wyoming, according to officials.