Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical fish that smash shellfish against rocks to open and eat the meat, in a fascinating new ...

In the early 20th century, scientists maintained that one of the fundamental differences between animals and humans is that ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...