"There may still be water out there to be found." On a large asteroid named Vesta, mysteriously curved gullies and fan-shaped deposits may have formed from short-lived flows of saltwater, a new ...

In this detail from the new geological map of Vesta, brown colors represent the oldest, most heavily cratered surface. Purple colors and light blue represent terrains modified by the Veneneia and ...

On a large asteroid named Vesta, mysteriously curved gullies and fan-shaped deposits may have formed from short-lived flows ...