Saskatchewan is battling the worst wildfire it's seen in decades and experts say it's largely caused by climate change.

Great Smoky Mountains National Park, far and away the busiest U.S. national park with 12.1 million visitors, placed first ...

They help to protect the kelp beds offshore by consuming sea urchins, and they help to protect the sea beds here in the slough," University of California at Santa Cruz researcher Lilian Carswell.

Two people have died in a blaze that ripped through a Northern California town, said Siskiyou County Sheriff Jeremiah LaRue. Northern California wildfire destroys 100 homes and buildings amid deep ...

The Washington Department of Natural Resources has been using a firefighting helicopter to haul abandoned boats off an ...

These are among the most intriguing and photogenic geological phenomena found in California’s many desert regions. Climbers rest on top of a rock before rappelling back to the valley floor in ...