Composite images of Saturn’s rings, taken by NASA’s Hubble Space Telescope, have revealed mysterious color variations that hint that the rings could be made of materials from the outer solar system.

Saturn and its rings completely fill the field of view of Cassini’s narrow angle camera in this natural color image taken on March 27, 2004. This is the last single ‘eyeful’ of Saturn and its rings ...

The combined observations in visible and infrared light reveal new details about the planet's atmosphere and rings. Hubble's images help track seasonal changes, while Webb's infrared vision probes ...