A POWERFUL telescope floating in space has discovered an extremely rare Einstein ring of light around a nearby galaxy. The ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today.

Although the other giant planets in the Solar System have rings, too, they are nothing like Saturn's. Jupiter, Uranus, and Neptune are all banded by dainty, ethereal rings that can hardly be seen ...