Mount Rainier National Park in Washington state recorded hundreds of light earthquakes early Tuesday morning, though the ...

A wildfire shut down the Staircase Area and campground as well as several other spots in Olympic National Park.

I guess this is the photo they took for the Guardian,” says an excited trio of young tourists, pausing on a wooden walkway to ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

Road maintenance this month could cause traffic delays up to 30 minutes in parts of Black Canyon of the Gunnison National ...

Crater Lake National Park in southern Oregon is the latest spot to announce fire restrictions as hot, dry, breezy summer conditions kick into high gear.

The North Rim of Grand Canyon National Park invoked Stage 3 water restrictions in recent days due to ongoing challenges in water delivery from Roaring Springs. As of Friday: Lodge and restaurant ...

With the summer vacation season barely under way rangers are responding to fatal accidents in the National Park System. On Tuesday a Texas man drowned at Grand Teton National Park in Jackson Lake, ...

Algal blooms can occur for a variety of reasons. Warm, still water is the perfect breeding ground for cyanobacteria and the addition of nutrients like nitrogen and phosphorus from outside sources fuel ...

President Donald Trump, whose administration has worked to shrink the National Park Service workforce and slash its funding, on Thursday ordered Interior Secretary Doug Burgum to increase national ...

Officials at Alaska's Glacier Bay National Park and Preserve are asking the public for help gathering information on an incident that severely injured a humpback whale. The whale, identified as #2583, ...