European Space Agency. "Saturn's Moon Iapetus Is The Yin-yang Of The Solar System." ScienceDaily. ScienceDaily, 18 September 2007. <www.sciencedaily.com / releases / 2007 / 09 / 070913132948.htm>.

Named formally after the Greek mythological Titan, Iapetus is sometimes referred to as the "painted," or "yin-yang" moon, due to puzzling variations in its surface composition. Watch ...

On October 25, 1671, the Italian astronomer Giovanni Cassini discovered a new moon at Saturn! ‘On This Day in Space’ Video Series on Space.com Iapetus was the second moon anyone had ever found ...

Dubbed as "Yin-Yang" moon, Iapetus is quite unique because its leading region exudes a reflectivity that is so dark, it resembles a coal. The hemisphere that follows, on the other hand, is ...

This Cassini image hints at the split personality of Saturn’s 1,436 kilometer (892 mile)-wide moon Iapetus. The Voyager spacecraft first imaged this curious yin-yang moon, with its light and ...

Cassini scientists are poring through hundreds of images returned from the Sept. 10 fly-by of Saturn's two-toned moon Iapetus. The pictures show the moon's yin and yang -- a white hemisphere ...