Adorable footage posted on January 28 captures scenes from a special snack-related soiree enjoyed by several of Oregon Zoo’s ...

CNN — 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 ...

Austrian researchers say they've found the first known example of tool use by cattle, courtesy of a Swiss-Brown cow named ...

Scientists have documented a lot of animals that use tools, like chimps, sea otters and octopi, to name a few. NPR's Nate Rott reports a new animal has joined that list, a 13-year-old Swiss brown cow ...