It's easy to think of ancient humans as occupied solely with survival. When our ancestors invented tools, they served a purely practical purpose — to help us adapt to a changing environment due to ...

CHADDS FORD, Pa. -- It was a big bon voyage party at a Delaware county museum Thursday, not for a person, but for a popular painting of a pig. It's called portrait of a pig, a nearly life-sized ...

A prehistoric artist’s realistic portrayal of a wild pig, warts and all, might just be the oldest known example of a painting that depicts the animal world. Four years ago, scientists came upon the ...