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

Many visitors expect to see stalactites and stalagmites galore in Mammoth Cave but are surprised when they don't see many of ...

A newly identified ancient shark species, Macadens olsoni, has been at Mammoth Cave National Park. The National Park Service ...

Discover Mammoth Cave and hidden summer hikes in Kentucky. Read tips on top trails, cave tours, planning advice and secret ...

Crystal Cave Reopens Beneath Sequoia National Park After Natural Disasters The scars of record flooding and one of the biggest wildfires in Sequoia and Kings National Parks history remained on full ...

Xu Pengcheng looks over his shoulder and, after confirming the coast is clear, helps his crew of urban adventurers climb through the broken window of an abandoned building.

CAPITOL REEF NATIONAL PARK, Utah — Summer in Utah is known for its hot temperatures and extremely dry conditions, but it can also be a place to find dangerous flash flooding.

Conservancy groups say the National Park Service will be impacted by the "big beautiful bill." Lawmakers voted to pull back more than $250 million from the National Park Service. The cuts will ...

The visitors who trek to America’s national parks are already noticing the changes, just months after President Donald Trump took office.

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named ...

Rocky Mountain National Park Search and Rescue team members recovered the body of a 66-year-old woman at Chasm Lake on Wednesday.