A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.

The inner ear cavity proves to be a useful tool for studying the evolutionary relationships among monkeys, apes, and humans.

An extinct rodent relative of the capybara appears to have had a smaller brain-to-body ratio than similar species.

The skull changed shape in different ways than the brain during evolution, according to a new comparative study.

Researchers say the skull belongs to an Australopithecus species once thought to be a predecessor to “Lucy,” but now that relationship is murky.

Detailed imaging of the rodent central nervous system reveals new information about the route cerebrospinal fluid takes to leave the brain.

Head wounds in the fossilized skull of a Paleolithic man suggest foul play.

The DNA of a whale shows its father was a beluga and its mother was a narwhal.

Genetic information from dozens of individuals living 700 to 10,000 years ago reveals connections between Clovis and Native Americans and South Americans.