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

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

The sample from the asteroid Ryugu was overrun with Earth-based life forms after they were brought to the planet, scientists ...

Imagine that, for billions of years, you're a grain of material unbothered on asteroid Ryugu. All of a sudden, a spacecraft ...

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

Last year, a study reported the discovery of organic molecules on asteroid Ryugu, sparking discussions about the origins of life and the possibility of panspermia — the idea that life could be seeded ...

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

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

A sample of the asteroid Ryugu returned to Earth by the Hayabusa2 mission was rapidly colonized by terrestrial microorganisms ...

Bad news, folks: those samples from the asteroid Ryugu appear to have been contaminated by life here on Earth.

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

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