"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 new study suggests ...

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A digital representation illustrating how LUCA was already under attack from viruses even at 4.2 billion years ago. An international team of researchers led by the University of Bristol has shed light ...

Imagine the tree of life. The tip of every branch represents one species, and if you follow any two branches back through time, you'll hit an... Life as we know it descended from a single cell. What ...

Want to find some ancient fossils? Scratch yourself. Many of the genes in our cells evolved billions of years ago and a few of them can be traced back to the last common ancestor of all life. Now we ...

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A new study suggests that this organism likely lived on Earth only 400 million years after its formation. Further ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: All life on Earth can be traced back to a Last ...

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 million years after its formation. Further ...