More Discoveries on Planet Earth

Have you heard if Luca? It stands for the Last Universal Common Ancestor and existed when the Earth was only 560 million years old. And what was it ancestor too? Well, life itself, or so some theorize.

It is believed to have thrived in deep sea vents where it served as the source of the life to follow.  However, it was not fully alive as we would define it since it also dependent on chemical components. 

If this is all confusing then I suggest you read the full story in the New York Times. 

And if you are surprised we are unable to agree on the nature of life, remember that this is something we can study here in Earth. It is better answering these questions here before guessing about them on distant worlds we are just starting to bring into focus.