If you follow any two branches back through time, you'll hit an intersection. That's the common ancestor of those two species. For example, the common ancestor of humans and chimps lived less than ...

Scientists put a face to a name in an epic way after digitally recreating the visage of Lucy, humanity’s most famous primate ancestor. “Seeing Lucy’s face is like glimpsing a bridge to the ...

A team of Chinese scientists has traced the ancestor of animals and plants to a hydrogen-metabolising cell that existed before the Great Oxidation Event, a pivotal period that occurred at least 2. ...

Scientists have used a new computer-analysis method to figure out in unprecedented detail what the hypothetical ancestor of most mammals would have looked like. About the size of a modern squirrel ...