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

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

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

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

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

Scientists have discovered that a sample of the asteroid Ryugu was overrun with Earth-based life forms after being delivered to our planet. The research shows how successful terrestrial micro ...

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

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

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

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

The stadium-sized asteroid 2020 XR is due to make its closest approach to Earth on record early on Dec. 4, and the encounter ...

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