This false-color image of Enceladus shows so-called "tiger stripes" across the moon's icy surface. Researchers believe the stripes are caused by an ocean beneath the ice. NASA/JPL/Space Science Institute hide caption

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The Two-Way

NASA Spacecraft To Skim Past Saturn's Icy Moon

The Cassini probe will pass within just 30 miles of Saturn's moon Enceladus. The goal is to search for signs of habitability.

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New research suggests that Saturn's tiny moon Enceladus has warm oceans hiding beneath its icy crust. NASA/JPL/Space Science Institute hide caption

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The Two-Way

Researchers Think There's A Warm Ocean On Enceladus

A new analysis of particles believed to be from the bottom of oceans inside Enceladus suggests the moon is toasty warm.

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The disturbance visible at the outer edge of Saturn's A ring in this image from NASA's Cassini spacecraft results from gravitational effects on ring particles by an object that may be replaying the birth process of icy moons. NASA/JPL-Caltech/Space Science Institute hide caption

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In this rare image taken on July 19, 2013, the wide-angle camera on NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame. NASA/JPL-Caltech/Space Science Institute hide caption

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A mammoth spinning vortex is seen on Saturn, in this "false-color" photograph released by NASA Monday. The image was captured by the Cassini spacecraft. A related image, presenting what a human eye would see, is farther down this page. NASA hide caption

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