If you've ever seen them playing at the zoo, they're quite the entertainers -- often juggling rocks or pushing around pebbles. Well it turns out, they might be doing it because they're hungry. See the ...

A lovely, intuitive idea about why otters juggle rocks — that it helps them practice survival skills — might not be correct, new tests show. The term “juggling” is itself overenthusiastic. Otters ...

Journalist Bonnie Burton writes about movies, TV shows, comics, science and robots. She is the author of the books Live or Die: Survival Hacks, Wizarding World: Movie Magic Amazing Artifacts, The Star ...

If you’ve ever seen otters romping at the zoo, sometimes it looks like they’re juggling little rocks. It turns out that this playful-looking behavior may actually be something captive otters do in ...