Sea otters are one of nature’s most fascinating creatures, beloved for their playful personalities and critical role in marine ecosystems. From their dense fur to their impressive tool use, these ...

The United States is home to two species of sea otters that float on the ocean in groups called rafts. Enjoy these images from Sea Otter Savvy, a community science outreach organization that educates ...

Their fur is so soft it almost led to their extinction, but otters’ recovery has been a boon to Pacific kelp forests, a key habitat for other sealife Sea otters use their agile, grippy forepaws to ...

Did you know sea otters can eat a quarter of their body weight in food every day? That’s hundreds of sea urchins, clams, and crabs — all cracked open with a rock balanced on their bellies. It’s one of ...

The United States is home to two species of sea otters that float on the ocean in groups called rafts. Image: Linda Dron. Get the Popular Science daily newsletter💡 ...