As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

A tiger walks the same worn groove along the edge of its exhibit like a broken record. A parrot methodically plucks out its ...

Humans are not the only creatures that experience grief. Elephants, orcas, primates, dogs, and cats have all shown the ...

Lead referee Carl Cheffers explains reasoning behind controversial interception call in Bills-Broncos 'SNL' mocks Trump in ...