Earth's earliest life left behind very few chemical traces. Fragile remains, like ancient cells and microbial mats, were buried, squeezed, heated, and broken apart by the planet's shifting crust ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may have potentially been made by ancient life, NASA announced Wednesday. The team has also ...

New method also detects molecular signs of photosynthesis almost 1 billion years earlier than previously documented; Combining chemistry and AI, pioneering method could revolutionize search for ...

WASHINGTON, Nov 18 (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 ...

A 2.5-billion-year-old rock from South Africa's Gamohaan Formation. AI analysis suggests the dark structures preserved in the rock are the remains of a complex microbial community. Pairing ...