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Researchers found LUCA, our earliest common ancestor, lived 4.2 billion years ago. It had a complex biology, affecting its ...
Today it represents something quite different: a set of extraordinary clues, recently reinterpreted, to one of the deepest and most puzzling mysteries of life on Earth. After burbling along for ...
New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the building blocks of life.
Single-celled organisms that group together can generate stronger water currents to pull in food, a benefit that may have encouraged early life forms to assemble into colonies, according to a new ...