As climate change warms the Arctic, permafrost is thawing, and carbon trapped within the soil is moving into the atmosphere.

For many years, scientists have been discussing whether the population in mountain regions is increasingly at risk from ...

Prior to this discovery, the largest underground thermal lake title belonged to a site in Hungary, below Turkish baths in the city of Budapest, Reuters reported in 2008. That lake is 282 feet long, 89 ...

The United States has a proud history of preserving its natural beauty through national parks. Each year, millions of ...