Yellowstone Park is a popular destination for geology field trips. It’s easy to see why — the dynamic landscape contains a ...

Gaze at the stars and wake up next to nature's gorgeous scenery at these national parks, which offer the best camping this year!

From Alaska to Wyoming, here are the best places to see bears in the wild across the U.S., including when to go and tips for ...

The gigantic Yellowstone Grand Canyon, lined with volcanic rock. With all the effects of hydrothermal activity, river erosion ...

The National Park Conservation Association has identified 13 national monuments it considers at risk after a recent Interior ...

The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.

Mauna Loa, the world's largest active volcano, is the mighty giant of Hawaii that's still bubbling away, waiting to be explored.