This close pairing of Janus and Epimetheus shows the two moons at “high phase,” meaning that only a thin sliver of sunlit terrain is visible on each moon. Portions of each are also lit feebly by ...

Outside the soft edge of Cassini’s F ring, Epimetheus and Janus negotiate their nearly-shared orbit. The two moons’ orbits are typically about 50 kilometers (30 miles) apart, and the moons actually ...

A new diffuse ring, coincident with the orbits of Saturn's moons Janus and Epimetheus, has been revealed in ultra-high phase angle views from Cassini. The new ring is visible in this image (marked by ...

The Cassini spacecraft just had a few close encounters with some of the odder moons in the Saturn system… and given how weird Saturn is, that’s saying something. I was particularly enthralled with ...