Sky This Week is brought to you in part by Celestron. Friday, November 28 First Quarter Moon occurs at 1:59 A.M. EST. While ...

Wausau Pilot & Review Stargazers in central Wisconsin will have several high-impact events to enjoy this week: bright morning ...

A new image released by NASA's Jet Propulsion Laboratory shows an incredible new surface feature discovered on Saturn's icy moon of Tethys: enormous, red arcs that span most of the moon's northern ...

(NEW YORK) — NASA’s Cassini spacecraft has spotted a huge impact basin on Tethys, one of Saturn’s 62 known moons, shining brightly and spiking curiosity about the landscape of the icy world. While the ...

Tethys, one of Saturn’s larger icy moons, vaguely resembles an eyeball staring off into space in this view from NASA’s Cassini spacecraft. The resemblance is due to the enormous crater, Odysseus, and ...

Looking for a sky event this week? Check out our full Sky This Week column. November 27: Ceres comes to a stop Saturn comes ...

The color is striking. Almost as if someone took a big, red crayon and ran across the cratered landscape. In new photos returned by NASA's Cassini spacecraft, unexplained reddish streaks are visible ...

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 ...

The Cassini spacecraft has snapped one brilliant picture: Saturn’s moons Enceladus and Tethys in alignment above their parent planet’s rings. The picture was snapped on September 24th, as Enceladus ...