Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

Add Yahoo as a preferred source to see more of our stories on Google. Japanese macaques at Joshin-etsu National Park in Japan. (Peter Adams / Getty Images file) (Peter Adams) Humans are far from the ...

CHARLESTON, S.C. (WCBD) – In the salty creeks and marshes of the Lowcountry, a remarkable and rare feeding behavior unfolds, one that makes dolphins part-time beach goers – strand feeding. Strand ...

Chimpanzees have been observed applying insects to open wounds in a new "surprising behavior," scientists have said. A research team from Osnabrück University, Germany, has observed this behavior in a ...

Ants have been seen healing wounded trees in Panama—behavior that is believed to have never been observed before. When holes were drilled into Cecropia tree trunks, the ants emerged from their homes ...

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...