Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought ...

A major study shows complex cells evolved gradually in an oxygen-poor world, challenging long-held assumptions about life’s ...

More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the ...

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life ...

University of Alberta geochemists have discovered a missing piece to one of the great mysteries of science—the origin of life ...

Surface-bound gels may have offered the structure and chemistry needed for life to take hold on Earth—and possibly elsewhere.

The origin of life on Earth is still enigmatic, but we are slowly unraveling the steps involved and the necessary ingredients. Scientists believe life arose in a primordial soup of organic chemicals ...

The origin of life on Earth has always been a mystery. For many years, scientists have looked to the stars, believing that the building blocks of life that set forth evolution here on our planet came ...

Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules ...

Earth, a vibrant ocean world with breathable air, active tectonics, and a protective magnetic field, uniquely creates the perfect habitable environment for sustaining diverse life. Earth and Mars have ...