All Life on Earth Comes From One Single Ancestor. And It's So Much Older Than We Thought. | NYGazet

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA—and it likely lived on Earth only 400 million years after its formation.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on Earth only 400 milli... [4002 chars]