The Cassini-Huygens mission has identified an oxygen-carbon dioxide atmosphere around Saturn's second-biggest moon, Rhea - the first time a spacecraft has captured an oxygen atmosphere from a world other than Earth.
New pictures from NASA’s Cassini spacecraft show 12-mile-wide snowballs forming in one of Saturn's rings.
NASA's Cassini spacecraft has discovered a new class of moons in the rings of Saturn that create distinctive propeller-shaped gaps in ring material.
Scientists have created organic macromolecules by zapping a Titan-like atmosphere with UV rays. The discovery supports the idea that the moon of Saturn could support life.
If there really is life on saturn's moon Titan, it's likely to be smelly and explosive, according to astrobiologist William Bains.
Saturn's rings aren't as neat and tidy as they appear, new observations from NASA's Cassini spacecraft show.
Business is humming if you’re in the business of extra-solar planets, exobiology or exoenvironmental studies.
The Hubble space telescope has for the first time snapped the flickering aurorae that light up both of Saturn's poles.