It's a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more ...

Did comets seed life on Earth? It's unlikely, a new study from the University of Cambridge says. It would have been a very ...

Scientists have discovered all five essential nucleobases used in DNA and RNA in pristine samples from asteroid Ryugu, ...

A new experiment reveals that Earth’s microbes can grow in harsh conditions similar to what may exist just below the surface ...