Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding colony of ...

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

Snuggling isn't common seal behavior, but this one shows plenty of affection for one lucky scuba diver. Here's what it means.

Marine mammals can hold their breath for extended periods underwater; the question is, how do they know when it's time to resurface?

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

Harp seals typically are found in icy parts of the Arctic and North Atlantic oceans, but one made it all the way to New ...

Aquarium staff euthanized Barney, a "super senior" harbor seal. He showed signs of "an acute decline," according to a post on ...

The New Haven Police Department found the stranded seal. (New Haven Police Department/X) So far, staff have mostly been feeding him a diluted fish formula. But they are teaching him to swallow fi ...

A baby seal found stranded on a street near Connecticut’s Yale University last month has died from severe digestive issues.