Warming temperatures may be changing the ways ice forms, making it more likely to stick to and injure polar bears in two far ...

The "mega" coral is 112-feet wide, 105-feet long and 18-feet high, making it larger than a blue whale, the world's largest ...

This story appears in the December 2015 issue of National ... 35 leopards live in and around this park. That’s an average of less than two square miles of habitat apiece, for animals that ...