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

Any device you can use for swimming will have an IP68 or IP69 rating, but that's not enough. It also needs a 5ATM rating or ...

Humans can't sense their own oxygen levels, but seals can, and it makes diving longer and safer.

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

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

Clicklike noises made by a small species of shark represent the first instance of a shark actively producing sound ...

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

Many people, even those living far from the ocean, are afraid of sharks. Popular culture commonly portrays sharks as ...

Caustic materials tend to eat through a device's water seals, at least if they're not built with swimming in mind. IP69K phones do exist, like the OnePlus 13, but they're normally made by niche ...

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

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