Photos of the incident show the man casually walking across the park's delicate protected bacterial mats to collect fallen ...

“It’s a huge architectural achievement,” said Jeff Henry, coauthor of the 2004 book “Old Faithful Inn: Crown Jewel of ...

During his famous 1903 two-week stay in Yellowstone National Park, President Teddy Roosevelt itched to hunt up some big game.

"Do people think Yellowstone is a zoo?" Video captures tourists pressing their luck with massive wild animal at Yellowstone ...

Geothermal energy is heat that comes from the ground. The Earth's core is made of solid iron, and as it goes through its ...

Don’t let August slip away without a visit to one of America’s national parks. On Monday, the National Park Service is ...