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

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

A new study has unveiled the far-reaching ecological impact of wolves and other large carnivores in Yellowstone National Park.

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.

No visa? No problem! If you've got an Indian passport and a serious case of wanderlust, these gorgeous visa-free destinations ...

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

Explore the iconic Colorado landmarks that you must visit. From breathtaking mountains to historic sites, discover the beauty ...