A snowy Friday night may hide the stars over central Wisconsin, but the week ahead still offers plenty to see: Saturn’s ...

Mysterious straight bright stripes have been discovered on Saturn’s moon Dione, says research by Planetary Science Institute Associate Research Scientist Alex Patthoff. The origins of these linear ...

We recently explored Saturn’s walnut-shaped moon, Iapetus, to include its two-toned surface features and equatorial ridge. Now we’ll explore another one of Saturn’s moons that also exhibits unique ...

Sky This Week is brought to you in part by Celestron. Friday, December 5Saturn's far-wandering moon Iapetus reaches superior ...

This global map of Saturn’s moon Dione was created using images taken during flybys by NASA’s Cassini spacecraft. An extensive system of bright ice cliffs created by tectonic fractures adorns the moon ...

Saturn’s moons Tethys and Dione are flinging great streams of particles into space, according to data from the NASA/ESA/ASI Cassini mission to Saturn. The discovery suggests the possibility of some ...

Just in time for Christmas (or Hanukkah, or Festivus, or...), NASA's Cassini probe has sent back some amazing photos of Titan, Dione, Tethys, and of Saturn herself. Share on Facebook (opens in a new ...

A montage of Saturn and its moons Dione (front), Tethys and Mimas (right), Enceladus and Rhea (left), and Titan (distant top), as depicted by the Voyager 1 spacecraft, November 1980. Calling all ...

Rhea and Dione seem like dark and light fraternal twins in this Cassini spacecraft image, with each of these two Saturnian moons displaying a large crater oriented similarly in the northern hemisphere ...

Looking for a sky event this week? Check out our full Sky This Week column. November 21: Uranus reaches opposition Titan transits the face of Saturn this evening, already crossing the disk as darkness ...

Rare, elliptical craters spotted on two of Saturn's moons reveal new clues about the satellites' age and formation, a new study shows. Using data from NASA's Cassini mission, researchers from the ...

A new study describes how unique populations of craters on two of Saturn's moons could help indicate the satellites' age and the conditions of their formation. Using data from NASA's Cassini mission, ...