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Mars vs. Europa: Are we looking in the wrong place for alien life?

Mars, Europa - NBC News

A British astrobiology conference has revived a years-old debate over the best place to look for life elsewhere in the solar system: Mars, or the moons of Jupiter and Saturn? "For reasons I don't really understand, the wider solar system and the potential for life there has not been high priority," The Telegraph quoted Robert Pappalardo, a senior research scientist at NASA's Jet Propulsion Laboratory, as saying on BBC Radio 4.


See Saturn in cosmic triangle early Sunday


This sky map shows the location of Saturn and the moon in the night sky at 3 a.m. local time on Sunday, Jan. 6, 2013, for observers at mid-northern latitudes.


'Nile River' on Saturn Moon

River in Titan

The Cassini Solstice mission has discovered what appears to be a miniature version of the Nile River on Saturn's largest moon, Titan. In comparison, the Nile is 4,132 miles long. The 250-mile long feature -- from 'headwaters' to a large sea -- is the longest extraterrestrial river ever to be discovered and imaged to such high resolution.


Saturn's Moon Titan Has Soft Surface With Thin Crust, ESA's Huygens Probe Finds

Titan Surface

The surface of Saturn's huge moon Titan has the consistency of soft, wet sand with a fragile crust on top, a new analysis of a nearly eight-year-old space probe landing suggests.


Saturn Moon Has Ice Avalanches

Long landslides spotted on Saturn's moon, Iapetus, could help provide clues to similar movements of material on Earth. Scientists studying the icy satellite have determined that flash heating could cause falling ice to travel 10 to 15 times farther than previously expected on Iapetus.


Cassini spies Saturn moon geysers

Saturn Moon

The Cassini spacecraft captures striking images from flying by three moons of Saturn, including new pictures of Enceladus's gushing geysers.


Earth's Early Atmosphere Similiar to Saturn's Moon

Two-and-a-half billion years ago, the Earth's atmosphere was rich in hydrocarbons, similar to Saturn's moon, Titan. Before Earth's atmosphere ditched methane and began accumulating oxygen, though, our planet appears to have cycled back and forth every few million years between the two states years a hydrocarbon haze and clear skies. A sunlight-blocking haze most certainly affected the evolution of microbes that depend on light to photosynthesise and contributed to the delay before the final oxygenation of the atmosphere.


Possible ice volcano spied on giant Saturn moon

Scientists said Tuesday they have found the best evidence yet of ice volcanoes on Saturn's giant moon Titan. Unlike volcanoes on Earth, such ...


Saturn moon offers hints of early life on Earth

Saturn's largest moon, Titan possesses an ammonia and methane atmosphere that obscures its frozen surface from view. Since a 1980 Voyager I flyby, ...


Craft sends Saturn moon pictures

Craft sends Saturn moon pictures

The Cassini mission completes a flyby of Saturn's moon Enceladus, sending back data and stunning images of the rippling terrain.


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