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

Unlike humans, marine mammals have evolved remarkable adaptations that allow them to hold their breath for extended periods, ...

A rehabilitated grey seal from Germany has amazed marine conservationists after it travelled 515km (320 miles) to the East ...

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

Seals spend most of their time underwater but rarely do they drown. A new study in the journal Science reveals the unusual way that these diving mammals can tell when they would run out of oxygen. NPR ...