Maps created by combining different models of glaciers and ice sheets reveal the way water is flowing deep beneath Antarctica ...

The Midway Ice Castles are back in Utah for their 12th season, offering visitors a chance to explore multiple icy castles and ...

We ask a lot of some very small fish. Single species are relied on to save entire ecosystems. In December I tried to ...

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

The Greenland Ice Sheet is cracking open more rapidly as it responds to climate change. The warning comes in a new ...

Winter in Alaska has waterfalls frozen mid-cascade, ice caves so blue they look unreal, and lakes so clear you can skate across them like glass.

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.