"The fact that terrestrial microbes are the Earth's best colonizers means we can never completely discount terrestrial ...

The unexpected discovery of microbial life in a piece of rock from an asteroid shows how hard it is to avoid contaminating ...

HOPES of finding traces of alien life in the universe have been scuppered yet again. And this time on asteroid Ryugu, a space ...

A chunk of rock collected from the asteroid Ryugu contains bacteria—but, unfortunately, it's not evidence of alien life.

A recent discovery made by scientists working with a sample of rock from outer space highlights one of the huge challenges ...

The OSIRIS-REx mission returned asteroid samples, enabling a vast observation campaign that provided new insights into ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

Panspermia is the hypothesis that life can survive the transfer between planetary bodies as a secondary path for life to get ...

Samples taken from the space-returned piece of asteroid Ryugu were collected and prepared under strict anti-contamination ...

A Ryugu asteroid sample has been found contaminated by terrestrial microbes, raising questions about planetary protection.

Microorganisms on a sample of asteroid are clearly terrestrial — despite strict protocols to avoid contamination.

Earth bacteria rapidly colonized Japan’s Ryugu asteroid sample after exposure, revealing the resilience of microbes and ...