Two Arizona national parks were named among the best parks for seeing wildlife like mountain lions, bison and birds. Here's where to go to see animals.

Picture a wild landscape, scarred by decades of change. Now imagine that simply bringing back a single animal could set off a ...

Yellowstone's Junction Butte wolf pack failed in a recent attempt to kill a bison, but the pack appears to be thriving again ...

Bison jams are not uncommon in Yellowstone given their population at the park has ranged from 3,500 to nearly 6,000, the ...

Rangers at the country’s oldest national park plan to open major roadways and entrances to the site starting Friday as part ...

As peak season in many US national parks begins, families heading outdoors during spring break might need to pack their ...

A new study found that it's possible to return grizzly bears to California. Whether that's a good idea is a matter for ...

Are you looking for the top U.S. national parks, ranked from stunning to must-visit? Read on for a list of the best U.S. national parks you can visit this season.

Bison in Yellowstone National Park may seem calm, but approaching them is extremely dangerous. Learn why these massive ...

Colorado Parks and Wildlife, the agency that brought the continent's largest cervid to North Park in 1978, insists it has ...

Dogs aren’t usually allowed out of parking lots in national parks. But this is a unique opportunity to bring your pups, and ...

Outdoor enthusiasts are worried about the loss of their favorite vistas as President Donald Trump's administration considers ...