Human ancestors got steadily larger over the last 1 million years. Our relatives living in colder places developed bigger bodies, a new study finds.

Archaeologists unearth the remains of nine Neanderthals, dating from 50,000 to 100,000 years ago, in a discovery the Italian culture minister says will be "the talk of the world."

Lab-grown brainlike organoids altered with an ancient gene began to look and behave differently. The experiments help show how the human brain has evolved.