A team of scientists with the Sea Mammal Research Unit, School of Biology, University of St Andrews, in the U.K. has found ...

The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do.

As seals dive more frequently—and for longer—than humans do, the range of carbon dioxide in their bodies varies more widely.

Climate change is also driving penguins to colonize new areas, or to stay in regions longer than they normally would, ...

The Navy SEAL Physical Screening Test (PST) is the first step for anyone looking to join Naval Special Warfare, and one of the biggest challenges is the 500-yard swim using the Combat Sidestroke ...

Monterey, California, is home to insatiably curious and playful harbor seals. Here's what it's like when they're zipping ...

Every winter, tens of thousands of elephant seals return to beaches along the California coast. Northern elephant seals were nearly extinct not too long ago, and ecologists have been tracking their ...

Staff at the National Aquarium Animal Care and Rescue Center are rehabilitating four young grey seals, hitting the center’s ...

Morgan Luttrell is shown during his time as a Navy SEAL. | Office of Morgan Luttrell Luttrell, who represents Texas’ 8th congressional district, was in the middle of a 2-mile open-ocean swim at ...

Panagis, an orphaned seal pup found a few days after his dead mother's body was located along the coast of Cyprus, is its latest ward.