Though it is not unusual to find marine animals thriving under the Antarctica seafloor, researchers had always assumed that all life would become less abundant farther away from...

Wildlife filmmakers know to expect the unexpected when observing animals in their natural habitat. For a PBS Nature film crew trying to stealthily capture footage of Arctic foxe...

Researchers have long known that the ancestors of the mighty whales were nimble, four-legged creatures that were comfortable both on land and in the sea. However, given that the...

Researchers have long believed that all four-limbed animals or tetrapods, a group that includes amphibians, reptiles, and mammals,  evolved from an ancient group of fish known a...