Mercury has long been cast as the solar system’s burnout case, a small rocky world that cooled quickly and then froze in ...

Learn about the bright streaks that may represent recent geological activity on Mercury, which has been considered a dead ...

The smallest planet in our Solar System may be hiding a big secret. Curious bright streaks on Mercury's surface, doodled on ...

Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...