"Rob the Ranger brings the untamed beauty of African wildlife straight to your screen with candid, unscripted footage ...

The National Park Service theorizes that a century-old sketch made by a worker in the Lincoln Memorial’s undercroft depicts ...

From the start, the earthworm is built for romance, with four or five pairs of hearts. Finding a match, though, that’s a ...

As it turns out, the tiny hummingbird is quite a busy bird. Hummingbirds are almost always hovering. They even stay flying ...