One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

This is where the rings came back into play. One possible explanation for their existence is the breakup of a moon that wandered too close to Saturn and was disrupted by the giant planet's gravity.

However, a new model suggests that the orbiting moons may be a lot younger than previously thought, with some forming only a couple of million years ago. A study, ...