For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

In the deep blue waters of the world’s oceans, some of the most intelligent and social creatures on Earth are engaging in ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

National Geographic photographer Jody MacDonald discovers that Central Oregon's wild terrain is the ultimate playground, ...