Fat Bear Week, the wildly popular online competition celebrating nature’s biggest success stories, is back at Alaska’s Katmai National Park, where hefty brown bears are packing on pounds and battling ...

A March Madness-style bracket competition to identify the fattest bear is under way the National Park Service in Alaska, and you can help choose. Thousands of people will vote on in head-to-head ...

There are only eight different bear species in the world, with polar bears considered the largest and sun bears as the smallest. What most people don't realize is that within most species of ...

Bear fans worldwide can watch the bears of Katmai National Park bulk up on salmon and vote for their favorite starting Sept. 22 ...