A tourist on a private tour of Yellowstone National Park on Tuesday was treated to a rare mountain lion sighting. Yellowstone ...

With over a hundred distinct thermal areas containing over 10,000 discrete thermal features, Yellowstone National Park’s ...

A new hydrothermal pool has been discovered in Yellowstone National Park, an area world-renowned for its geysers, hot springs and steamy terrain. "Geologists from Yellowstone National Park were ...

Photographer Tom Murphy has documented the park's wildlife for decades. Now, one of his photos will be on a Forever Stamp.

RED LODGE, Mont. (AP) — The forces of fire and ice shaped Yellowstone National Park over thousands of years. It took decades longer for humans to tame it enough for tourists to visit, often from the ...

Make the most of your visit to this beautiful national park that spans three U.S. states.

In the fall of 2019, Yellowstone National Park shared a striking image showing the moon setting beyond a barren slope at sunrise, informing Facebook followers that they'd earn "bonus points" if they ...

Narrated by the British writer and environmental campaigner George Monbiot, and largely drawn from his book Feral, it ...

Tens of millions of bison once roamed North America, grazing on grasslands, forests and plains, from the Great Basin of Nevada to the Atlantic coast. It is difficult today to imagine the size of herds ...