Add Yahoo as a preferred source to see more of our stories on Google. Saturn's rings, imaged based on radio data from NASA's Cassini spacecraft. Green indicates regions with particles smaller than 5 ...

NASA animation shows Saturn's auroras glowing blue Using Hubble images of Saturn's northern auroras, NASA created new animations that show the variability of the charged particles caused by solar wind ...

If star-hopping aliens ever visited our solar system, Saturn is probably the planet they'd remember. The seven giant rings circling its equator make Saturn the most distinct planet orbiting the sun.