The killer chimpanzee movie "Primate," in theaters Friday, delivers a woman vs. beast thriller with graphically violent ...

Compared with humans, chimp infants appear to act as daredevils earlier in life, according to a paper published today in ...

A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, ...

A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated ...

The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

There’s no scientific basis for the view that lab dogs are inherently different from pets, or that they were somehow not ...

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

Medical experiments on research dogs could be phased out soon — a change that’s based as much on science as ethics.

The analysis of dental remains from Dmanisi in the Republic of Georgia has important implications regarding the balance and ...

The owner of a rescued lab dog considers if insights gleaned through animal research are enough to justify the practice.

Look in the mirror and the feature that quietly sets you apart from every other species is not your eyes or your opposable ...