Babirusas are also sometimes called "prehistoric pigs" because they appear in cave drawings from nearly 40,000 years ago. Scientists don't know exactly why male babirusas have these tusks.

Located inside the limestone cave of Leang Karampuang in the Maros Pangkep region of South Sulawesi, the picture portrays three humanlike figures interacting with a wild pig. The painting ...

Archaeologists have discovered the world's oldest known cave painting: a life-sized picture of a wild pig that was made at least 45,500 years ago in Indonesia. The finding described in the journal ...