Mars' moons may hint that the planet once had rings - CNN 04-Jun-2020

Mars' moons may hint that the planet once had rings - CNN

Mars has two small, funky-looking moons with strange orbits, and they may suggest that the red planet once had rings, like some of the larger planets in our solar system. The two lumpy moons, Phobos and Deimos, were both discovered in 1877.

More...