Drawing on 48 years of data on the family trees and mate choices of 1,624 wild baboons in Kenya, a new study finds that baboons generally steer clear of mates that are half-siblings or closer. But ...

Many animals, including humans, avoid mating with close relatives. Yet it’s not always clear how they distinguish kin from nonrelatives. A study published last month (February 24) in Current Biology ...

When the total solar eclipse happens on Monday, animals at homes, farms and zoos may act strangely. Researchers can’t wait to see what happens when day quickly turns to night. By Juliet Macur and ...

There's something most species -- from baboons to humans to horses -- have in common: When they suffer serious adversity early in life, they're more likely to experience hardship later on in life.

Tarzan has long since made pals of the chimps, but gorillas still have a terrible reputation. This is enhanced by the snorting, dust-throwing performances that they sometimes put on in zoos. But the ...