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

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.

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 ...

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