National Park Service

A New Hampshire woman suffered burns on her leg after hiking off trail in Yellowstone National Park and falling into scalding water in a thermal area near the Old Faithful geyser, park officials said.

Rangers at Carlsbad Caverns National Park in southern New Mexico describe it as a “world-changing” event for the tiny microbes and insects that call this specialized subterranean environment home.

A single pipeline at the Grand Canyon delivers water to millions of visitors annually at the South Rim. Some visitors were surprised recently when they were shut out of hotels over the Labor Day holiday. The move was unprecedented. The leaks are a known problem. The pipeline that twists and turns through the inner canyon has broken dozens of times...

The official nonprofit organization of the National Park Service is set to receive a $100 million gift, marking the largest grant in its history.

Five people were able to escape a hot, acidic pond in Yellowstone National Park after the sport utility vehicle they were riding in went off the road and into an inactive geyser.

The man was killed by National Park rangers on the Fourth of July as he fired a semiautomatic rifle at a dining facility with about 200 people inside.

The National Park Service said temperatures on exposed parts of the trail can reach over 120 degrees Fahrenheit in the shade.

Officials in Grand Canyon National Park on Monday stressed the danger that extreme heat poses after a Texas man collapsed and died on a trail over the weekend.

Arizona and Utah will keep the iconic national parks in those states open if a federal government shutdown cuts off funding nationwide.

Got any plans for the first day of fall? You might want to consider checking out the changing leaves at one of the country’s more than 400 national parks — for free.

In the past month, officials at Yellowstone National Park have reported multiple animals being hit by cars and several incidents of humans interacting with animals that had unfortunate endings. They’ve since issued a plea to visitors with guidance about how to best avoid these situations.

Yellowstone National Park staff killed a baby bison after a man picked it up, leading its herd to reject the animal.