Our single-celled ancestor lived in a world without plants, animals or oxygen-rich oceans. Yet, this seemingly simple microorganism took the first steps toward complex life. From this ancestor emerged ...

Expedition imagines what humans might encounter when exploring an alien world. In this video we dive into the planet’s environment and the lifeforms that inhabit it. Everything is built using ...

Homo erectus skulls from China’s Yunxian archaeological site revealed ages close to two million years—a million years older ...