The roughly half-inch tooth from the uncovered species, named the Macadens olsoni, was found in the depths of Ste. Genevieve Formation at Mammoth Cave National Park in Kentucky.

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.

ZION NATIONAL PARK. Follow along as I attempt Angels Landing and hike toward West Rim. I run into a lot of ice and snow on this trail. Zion National Park was absolutely beautiful today. I hope you ...

Significant sewer improvements are underway to enhance public health, protect the Virgin River and save Zion National Park thousands of dollars annually, beginning in August.

The National Park Service shared photos of bison in the park in a July 23 post on Instagram. “Is there a mass exodus of animals going on in Yellowstone?” the agency said in the post.

ZION NATIONAL PARK. Discover the hidden beauty of Zion National Park in the winter with our latest adventure! In this video, we take you on a winter hike that you probably didn't know about ...

Summer is the height of the visitor season for the National Park Service. Last year, nearly 332 million people visited NPS sites, a record that is likely to be broken this year. That surge in ...

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.

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

Significant sewer improvements are underway to enhance public health, protect the Virgin River and save Zion National Park thousands of dollars annually, beginning in August. Officials say delays ...