Zion, Grand Canyon, Yellowstone, Yosemite, and Glacier are among the most popular U.S. national parks—here's how to get off the beaten path when visiting.

In a hot spring at Yellowstone National Park, a microbe does something that life shouldn’t be able to do: It breathes oxygen and sulfur at the same time.

Less famous but just as unforgettable, these state parks showcase iconic landscapes without the long lines at America’s national parks.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

We have to cross Long Lake on Day 5, a body of water that earned its name for a reason with 15 miles of big water and constant crosswinds. On Day 6, we grind through two more portages before getting ...

They say you're always stronger in numbers, but this wolf pack learned the hard way that that's not always the case.

A mysterious blue water-filled hole appeared in Yellowstone's Norris Basin, caused by small explosions, but poses no ...

According to Yellowstone Park's safety rules, you should always stay at least 100 yards away from bears, wolves, and cougars ...

Search teams located the site of an airplane crash that killed three people near Yellowstone National Park using the last ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found.

A black bear was killed at Yellowstone National Park after crushing an unoccupied tent and outsmarting a food storage pole ...

Descriptions and displays at scores of parks and historic sites have been flagged for review in connection with an executive ...