Prior to this discovery, the largest underground thermal lake title belonged to a site in Hungary, below Turkish baths in the ...

Thawing permafrost has released so much methane into Esieh Lake near Fairbanks, Alaska that the air above it is flammable. Credit: Katey Walter Anthony/ University of Alaska Fairbanks ...

The House has authorized a new type of state preserve to protect the 14 historic shipwrecks and one crashed airplane located in Indiana's portion of Lake Michigan.

Climate emissions continued to increase last year, contributing to record global temperatures that are inflicting devastating ...