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

For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable result of a series of unlikely evolutionary leaps. But new research by ...

A team of researchers studied the properties of membranes to understand how these cellular structures influenced the chemistry of life on Earth as it began. How life arose remains a looming question ...