A mountain lion bit a 4-year-old who was walking with their family over the weekend on a popular trail in Olympic National Park in Washington state, park officials said Monday.

A remarkable finding has surfaced in the colorful, fossil-rich badlands of Arizona’s Petrified Forest National Park: North America’s oldest known pterosaur. The newly identified species — a ...

There's been a lot of people wondering about a possible volcanic eruption at Yellowstone National Park. Let's talk about it.

OLYMPIC NATIONAL PARK, Wash. — A four-year-old child was injured in a mountain lion attack on July 20 near the Victoria Overlook area on Hurricane Ridge in Olympic National Park, the National ...

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said.

The largest campground in Yosemite National Park — and one of the largest at any national park in the United States — is reopening after being closed for three years for a major upgrade.

The father of a 4-year-old is being hailed as a hero for getting his child away from a cougar attack on a popular trail in Olympic National Park in Washington state.

We visited Acadia National Park in Maine for three days. Next time we go, we'll pack for the weather, make more reservations, and try to avoid crowds.

Researchers discovered a new species after uncovering fossils dating back more than 200 million years ago at a famed national park in Arizona.

A wildfire that's burning in the southern part of Black Canyon of the Gunnison National Park has grown to more than 1,600 acres.

Many American schoolchildren grow up learning that Yellowstone was the world’s first national park. But across the globe in Mongolia, just south of the capital, Ulaanbaatar, a mountain holds a ...

A 4-year-old child was attacked by a collared mountain lion at Olympic National Park this weekend and transported via helicopter to a Seattle hospital for treatment for their injuries.