By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...

Ancient fossil structures imprinted on rocks that were once deep beneath the ocean suggest the search for the first life on ...

Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth shared a common ancestor.

Scientists believe they’ve found evidence that life on Earth is over a billion years older than anyone believed was realistic. New research used machine learning to scan ancient meteorites and fossils ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

The timing of Earth’s earliest life alongside a surge of asteroid impacts raises the possibility that prebiotic molecules or ...

WASHINGTON (Reuters) -Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints of living organisms in ancient rocks, an approach that ...

Earth’s earliest atmosphere may have done more than shield the planet from the Sun. New research suggests the sky itself helped supply early life with key sulfur-based molecules, long thought to ...

Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There ...

The Ediacara Biota are some of the strangest fossils ever found—soft-bodied organisms preserved in remarkable detail where ...