Visible in the early-morning sky today, Saturn’s two-toned moon Iapetus reaches superior conjunction just 1.4′ due south of Saturn. The proximity makes the now-11th-magnitude moon easier to find, as ...

Sky This Week is brought to you in part by Celestron. Friday, June 27The Moon passes 3° north of Mercury at 2 A.M. EDT. By evening the two are visible in the western sky, roughly 8° high an hour after ...

Saturn shares its space with its moon Tethys in this scene captured by NASA Cassini spacecraft. Tethys can be seen above the rings near the middle of the image.

After Cassini found Iapetus, he also found the moons Rhea, Tethys and Dione. When Cassini first saw Iapetus, the moon looked like a tiny speck on the west side of Saturn.

One of Saturn's moons may once have harboured a liquid ocean beneath its icy surface, scientists have told a major conference in Houston, Texas. Tethys is a mid-sized satellite with a density close to ...

Saturn’s moon Tethys is one of the four inner moons orbiting the Ringed Giant along its E Ring. The cold, desolate moon is built from frozen water and gas with very little rock in its structure.

If you lived on the moon, you'd have to give up lots of things you take for granted on Earth. The feeling of your feet planted firmly on the ground. Your ability to breathe outside without a ...

Two of Saturn's many moons take center stage in a gorgeous photo by NASA's Cassini spacecraft. The icy satellite Tethys peeks over the shoulder of the huge and hazy Titan in the newly released ...

On Tethys’ opposite side is the Ithaca Chasma, a deep canyon that runs the majority of the way around the icy moon.

Saturn's icy moon Tethys hovers above the planet's iconic rings in a breathtaking photo by NASA's Cassini spacecraft. Though NASA released the image Monday (Aug. 21), Cassini actually captured it ...

Tethys and SaturnCassini gazes across the icy rings of Saturn toward the icy moon Tethys, whose night side is illuminated by Saturnshine, or sunlight reflected by the planet. Tethys was on the far ...

Saturn-lit Tethys Date: August 22, 2017 Source: NASA Summary: Cassini gazes across the icy rings of Saturn toward the icy moon Tethys, whose night side is illuminated by Saturnshine, or sunlight ...