The 12-million-year-old bones of a previously unknown species named Danuvius guggenmosi challenge the prevailing view about when and where our ancestors first started walking upright.

Mitochondrial DNA and other factors place our ancestors in southern Africa 200,000 years ago.

From skin color to immunity, human biology is linked to our archaic ancestry.

See when and where our ancestors may have interbred with Neanderthals and Denisovans.

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

Mutating a gene called CMAH in mice so it’s nonfunctional, as in humans, upped the animals’ chances of developing heart disease, a study finds.

Bonobos eat their aquatic greens, perhaps to get their daily dose of iodine.

Thicker calluses don’t dull sensitivity in feet.

Sequences from dozens of ancient remains from Siberia reveal the closest ancient relative of Native Americans found outside of North America.