This panel of images shows the nearly spherical shape of Saturn’s moon Phoebe, as derived from imaging obtained from NASA’s Cassini spacecraft. Each image represents a 90-degree turn.

Saturn's moon Phoebe might be a planetesimal—a remnant of the rocky building blocks of the planets in our Solar System. A new study by Julie C. Castillo-Rogez et al. from Cassini spacecraft ...

New images made by the Cassini spacecraft during its fleeting encounter with Saturn’s moon Phoebe show a battered, pockmarked sphere that may be composed primarily of ice-rich material overlaid ...

Saturn has the most moons of any other planet in the solar system. ... Phoebe: Discovered in August 1898 by American astronomer William Pickering. Polydeuces: Discovered on Oct. 21, ...

Images snapped by NASA’s Cassini spacecraft show that Saturn’s moon, Phoebe, is not an asteroid but a 4.5-billion-year-old primordial body from the solar system’s outer reaches.

The Cassini spacecraft zooms past the moon Phoebe on its way to the ringed planet, taking pictures during the close encounter. IE 11 is not supported.

Saturn has more known moons than any other planet. With 274 confirmed moons , it has more than all of the other planets combined. Its largest moon, Titan, is the second-biggest moon in the solar ...