Water may have flowed on the asteroid that birthed the space rock Ryugu a billion years after it formed, much later than previously thought, changing our perception of the early solar system.

Scientists find evidence of flowing water on Ryugu’s ancient parent asteroid. 'It was a genuine surprise!'

Source: space
Source Link: https://www.space.com/astronomy/asteroids/scientists-find-evidence-of-flowing-water-on-ryugus-ancient-parent-asteroid-it-was-a-genuine-surprise