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 ...

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

Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?