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What we've got is a very primitive atmosphere that has been preserved for 4.6 billion years. Titan gives us the chance for cosmic time travel...

2004-10-27

 Cassini Titan Saturn time travel
The Cassini spacecraft, which is en route to Saturn, has made a close pass of the planet's mysterious moon Phoebe...

2004-06-14

 Moon Cassini Saturn Phoebe
The Cassini space craft has performed what may be its final course correction before entering orbit around the ringed planet Saturn on 1 July.

2004-06-01

 Cassini Saturn
The Cassini spacecraft has made a close pass of Saturn's moon Iapetus, a striking world of two halves. One side of Iapetus' surface is as bright as snow, while the other is coated in a material as dark as tar...

2005-01-04

 Moon Cassini Saturn Iapetus
The Cassini spacecraft's flyby of Saturn's moon Iapetus has revealed a bizarre geological feature in its images: a bulging ridge at its equator. Mission scientists have started to release detailed images of the moon's surface, which is sharply divided into a bright half and a dark half. The ridge is around 13km (8 miles) high in some places - taller than Mount Everest, the tallest peak on Earth...

2005-01-10

 Moon Cassini Saturn Iapetus equator mountain
Saturn's vast and majestic ring system has its own atmosphere - separate from that of the planet itself, according to data from the Cassini spacecraft. And Saturn is rotating seven minutes more slowly than when probes measured its spin in the 70s and 80s - an observation experts cannot yet explain...

2005-07-01

 atmosphere Cassini Saturn ring
Saturn's largest moon Titan may have molten ice welling up to the surface from its warm interior, data from the Cassini spacecraft suggests...

2004-11-10

 ice Moon volcano Cassini Titan Saturn
The Cassini spacecraft's latest flyby of Titan has produced a radar image of a 440km-wide crater...

2005-02-17

 Moon Cassini Titan Saturn crater
Researchers have long speculated that Titan might harbour open bodies of liquid methane - and the 235km by 75km target is the best candidate to date. But they are being cautious about interpreting the feature, which has what looks to be a smooth shoreline. The scientists say the object could simply be dark, solid deposits caught in a sinkhole of volcanic caldera.

2005-06-29

 Moon Cassini Titan Saturn methane lake
Nasa's Cassini probe has found evidence for seas, probably filled with liquid hydrocarbons, at the high northern latitudes of Saturn's moon Titan. The dark features, detected by Cassini's radar, are much bigger than any lakes already detected on Titan...

2007-03-14

 ocean Moon Cassini Titan Saturn hydrocarbon lake liquid sea
Space scientists say their discoveries about Saturn's moon Enceladus are stunning, if just a little baffling. Using the instrument-packed Cassini probe, they have confirmed that the 500km-wide world has an atmosphere. They have also seen a "hotspot" at the icy moon's south pole, which is riven with cracks dubbed "tiger stripes"...

2005-08-30

 water ice Moon atmosphere Cassini Saturn Enceladus mirror
Saturn's tiny moon Enceladus may be the best place to look for life elsewhere in the Solar System. ... Enceladus contains simple organic molecules, water and heat, the ingredients for life...

2006-04-10

 water Moon extraterrestrial life Cassini Saturn Enceladus organic heat
The plumes of water that erupt from Saturn's icy satellite Enceladus can be traced back to a radioactive "meltdown" shortly after the moon formed. The discovery, in 2005, of water vapour spewing from geysers at Enceladus' south pole took scientists by surprise. How this tiny, ice-covered moon generated the amounts of heat needed to fuel these eruptions was a puzzle. Now scientists say a short-lived burst of...

2007-03-13

 water ice Moon Cassini Saturn Enceladus Voyager 2
Nasa has released the latest raw images of Saturn's moon Enceladus, from the Cassini spacecraft's extended mission to the planet and its satellites...
 Cassini Saturn Enceladus moon toread
The Cassini spacecraft has made its lowest pass yet over the south pole of Enceladus, an active moon of Saturn which may harbour a liquid water ocean. The flyby, at an altitude of 74km, allowed Cassini to "taste" the jets of ice and water vapour that gush from the moon's polar region. Several lines of evidence suggest these jets are fed by a liquid water ocean beneath Enceladus' outer icy shell...

2012-03-27

 moon Cassini Saturn Enceladus water ocean freeze ice extraterrestrial life