The Japanese Hayabusa2 spacecraft visited the asteroid Ryugu, which had flowing water for over a billion years. This unexpected discovery, made when the spacecraft collected and returned samples, adds ...

A new study in Nature has revealed unexpected evidence that the asteroid Ryugu once had liquid water flowing through it. The ...

“The most likely trigger was an impact on a larger asteroid parent of Ryugu, which fractured the rock and melted buried ice, ...

In May 2021, OSIRIS-REx began its journey back to Earth carrying dust from Bennu - a rubble-pile asteroid older than Earth ...