Millions have seen the heart-wrenching video of a polar bear clinging to life, its white hair limply covering its thin, bony frame. Shot by Paul Nicklen and Cristina Mittermeier of the nonprofit group ...

Forecasts continue to point toward the Arctic polar vortex bringing chilling winds across swathes of the U.S. in the new year ...

Firefighters worked to contain a large fire that burned down two homes in eastern Arizona early Saturday. By Brian Petersheim Jr. Arizona’s top prosecutor has joined a multistate lawsuit challenging ...