Saturn's moon, Iapetus, imaged by NASA's Cassini spacecraft in September 2007. (Credit: NASA/JPL-Caltech/Space Science Institute) We recently explored Saturn’s moon, Pan, and its unique, food-like ...

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 ...

Saturn’s distinctive moon Iapetus (eye-APP-eh-tuss) is cryogenically frozen in the equivalent of its teenage years. The moon has retained the youthful figure and bulging waistline it sported more than ...

On Dec. 31, 2004, NASA’s Cassini spacecraft flew by Iapetus, Saturn’s third largest moon. Iapetus was discovered by the Italian astronomer Giovanni Cassini in 1671. NASA’s Cassini craft flew by the ...

Images returned by NASA’s Cassini spacecraft cameras during a New Year’s Eve flyby of Saturn¿s moon Iapetus (eye-APP-eh-tuss) show startling surface features that are fueling heated scientific ...

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 ...

A recently resurfaced NASA image of Saturn’s moon Iapetus is stirring renewed interest across the internet, showing an enigmatic geological feature that has left scientists puzzled for decades.

Extensive analyses and modeling of Cassini imaging and heat-mapping data have confirmed and extended previous ideas that migrating ice, triggered by infalling reddish dust that darkens and warms the ...

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 dark ...

New models suggest Saturn's gravity shredded a moon, Chrysalis, about 160 million years ago. The ancient moon could explain two long-standing mysteries: Saturn's iconic rings and dramatic tilt.

Darkness sweeps over Iapetus as the Cassini spacecraft watches the shadow of Saturn’s B ring engulf the dichotomous moon. The image at left shows the unshaded moon, while at right, Iapetus sits in the ...