Sea otters are the smallest marine mammals, but they have some incredible adaptations to thrive in the ocean. Unlike seals and whales, they don’t have a thick layer of blubber to keep them warm.

AUSTIN (KXAN) — Sea otters are on the edge of extinction. There are currently around 3,000 of them living off the coast of California’s Monterey Bay, according to Brett Long with the Aquarium of the ...

When sea otters hammer mussel shells against rocks to help open them, they're leaving behind their own archaeological record that can't be compared to any other creature, according to a new study. Sea ...

You've probably seen photos or videos, maybe you've been lucky enough to actually see in person, sea otters floating on their backs in what looks to be sublime repose. Sometimes they're floating like ...

If you’ve ever walked the beach and pocketed a neat-looking rock, know that you share something in common with otters. The only difference is that an otter might carry its favorite rock forever, ...

(Reuters) - Humans are not alone in the use of tools. Chimpanzees, for instance, crack nuts with stones and use sticks to get at tasty termites. Dolphins are known to employ sponges to protect their ...

In parts of the ocean where sea otters face stark competition for their favorite kinds of food, some otters are getting by with the help of tools — like rocks and even glass bottles — that let them ...

Sea otters are known for using tools, but not all of them do. A new study finds those that use tools have better survival odds in a world where their traditional food sources are changing. You've ...