Otters are well loved for a variety of reasons, including their adorable personalities and affinity for holding hands. But ...

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.

Some otters rely on tools to bust open hard-shelled prey items like snails, and a new study suggests this tool use is helping them to survive as their favorite, easier-to-eat foods disappear.

Just by eating sea urchins and destructive shellfish, sea otters are keeping kelp forests healthy and coastal erosion at bay.

River otters aren’t just cute, they are a sign of hope for the environment The furry mammals roam for miles looking for clean water and healthy fish.

The otters, however, were not very subtle in their escape. They left fresh tracks in the snow, galavanting around the zoo and beyond in full view of cameras. The pair never went very far, which is ...

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.

For nearly two years, anyone stopping by the otter habitat at Bays Mountain Park & Planetarium in Tennessee would likely catch a glimpse of Otto. “A cheerful creature, he could often be found ...

In a Facebook post Thursday, the park announced that Otto fell ill and died after "guests threw food into his enclosure that his body could not tolerate." It is not yet known what the otter may ...

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.

The otters would float upright in the water, hold up a mussel and strike it down against the stone. After enough strikes to weaken it, the otters would use their teeth to open the shell.