Cassini offers up this nice view of the craters Odysseus (top) and Melanthius (bottom) on Tethys. Melanthius appears to have an elongated mountain range, rather than a single central peak, at its ...

This view of Saturn’s moon Tethys shows the contrast between the more heavily cratered region near the top and the more lightly cratered (and presumably younger) plains toward the bottom part of the ...

This image was taken on September 24, 2005 and received on Earth September 25, 2005. The camera was pointing toward Tethys at approximately 1,625 kilometers away, and the image was taken using the CL1 ...

Three of Saturn’s moons — Tethys, Enceladus and Mimas — are captured in this group photo from NASA’s Cassini spacecraft. Tethys (660 miles or 1,062 kilometers across) appears above the rings, while ...

Like graffiti sprayed by an unknown artist, unexplained arc-shaped, reddish streaks are visible on the surface of Saturn’s icy moon Tethys in new enhanced-color images from NASA’s Cassini spacecraft.

Although Tethys and Janus both orbit Saturn and are both made of more or less the same materials, they are very different worlds. Their contrasts are related, in large part, to their sizes. Tethys ...