Living organisms share an ancestor called the last universal common ancestor, or LUCA. LUCA is estimated to have lived ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.

New research from ETH Zurich challenges the long-held “follow the water” rule in the search for extraterrestrial life.

Planning to play High on Life 2 but can't remember what happened back in 2022? Here's a full recap of the first game to get you up to speed.

A pair of new studies suggest that key steps toward life’s chemistry may begin long before planets exist. Experiments simulating interstellar space show that simple amino acids can link into peptides, ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Researchers say the breakthrough could help them better understand how the basic ingredients of life form in space.

T o make good decisions on any question the public needs to be well-informed, something not so easily accomplished in America’s schools. That is a key point made by Michael Kent, a recently retired ...

Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like ...

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

A bizarre fossil called Prototaxites, which was the largest life-form on land 400 million years ago, may have been a completely unknown form of multicellular life, according to a new study.

NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world that could support life.