More carbs in our diet helped harmful oral microbes to succeed.

Astronomers measure how fast a black hole spins.

A new study identifies a likely ancestor to all placental mammals.

Scientists are using human ancestry to study modern diseases.

Bones reveal that ancient human relatives were part-time tree dwellers.

A river valley found on a distant moon resembles Earth’s Nile.

Supramap creates disease maps to track the evolution of epidemics.

A short-nosed bat bests its nectar-drinking cousin at pollination.

DNA evidence identifies the world’s rarest whale.