Lake Superior Zoo in Minnesota announced it has given a brown bear the world's largest dental crown, with the bear now ...

The largest tract of public land in the United States is a wild expanse of tundra and wetlands stretching across nearly 23 million acres of northern Alaska. It's called the National Petroleum Reserve ...

The Trump administration announced a plan on June 17 to open nearly 82% of the National Petroleum Reserve-Alaska to oil and ...