Topic: Saturn (Planet)
Top galleries, list articles, quizzes
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What makes a planet livable? Five things scientists look for.
Scientists have so far detected at least 550 planets outside the solar system – and another 2,000-plus await confirmation. But how to pick out the ones that may be Earth-like havens for life? Here's what one team looks for in assessing any planet's potential habitability and its similarity to Earth's properties.
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In Pictures: Space photos of the day: Uranus
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Europa or bust? Maybe not. Top 9 priorities for planetary research missions
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In Pictures: Space photos of the day: Massive Storms
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In Pictures: Space Photos of the Day: Blast off
All Content
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Mysterious distant planet 'disappearing before our eyes'
CoRoT-7b is so close to its parent star – and so hot – that scientists think it could be the remnant of an evaporated ‘hot Jupiter.’
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Avatar: the real-life science behind the fantasy
Floating mountains? Glowing plants? They're in 'Avatar,' and they're not beyond the realm of scientific possibility.
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Should nations fly to the moon together?
As exploring the heavens becomes more expensive, many experts think it is time for nations to band together to push humanity to the next threshold of space exploration.
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Augustine report: tough choices ahead on human spaceflight
If NASA's Constellation program is going to take astronauts to the moon or Mars, Obama will have to increase its budget, the Augustine report says.
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Gallery: Planets
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New evidence of water on the moon
Three probes, including a NASA instrument on India's Chandrayaan-1 lunar orbiter, have detected water molecules in minerals on the moon's surface.
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Scientists spot massive methane rainstorm over Titan
A rare storm system over Titan's tropics help explain the region's unique liquid-carved landscape.
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Cassini spacecraft finds evidence for liquid water on Enceladus
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What scientists may learn from Saturn's 'Groundhog Day'
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Kepler mission to hunt for planets just our size
The US will launch the Kepler spacecraft Friday to look for other Earths.
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Look for comet Lulin -- it won't be back for a million years
The pros are turning major amounts of telescope glass on comet Lulin; the rest of us can see it through binoculars
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The Pluto Files
A lively account of the ‘exile’ of Pluto, everyone’s favorite ex-planet.
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The League of Mars-bound Gentlemen
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Inside the planet hunter's lair
Geoff Marcy, astronomy’s Indiana Jones, had 10 days, one telescope, and a universe of planets to discover.
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Cassini scans lunar lakes
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Beneath Arctic ice pack, teeming life holds extraterrestrial clues
Microscopic organisms thrive in polar-ice 'brine channels' whose conditions mirror some of those found in space.
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Beneath Arctic ice pack, teeming life holds extraterrestrial clues
Microscopic organisms thrive in polar-ice 'brine channels' whose conditions mirror some of those found in space.
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Beneath Arctic ice pack, teeming life holds extraterrestrial clues
Microscopic organisms thrive in polar-ice 'brine channels' whose conditions mirror some of those found in space.
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On Saturn's moons, some unexpected hints of water
Cassini flyby reveals water vapor in plume from Enceladus. A hidden ocean on Titan?
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Across the Milky Way, more planet Earths?
Two new discoveries suggest that sunlike solar systems like ours – with life-hosting planets – are more common than previously thought.
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On the horizon: news from the frontiers of science
How your clothes might one day charge your cellphone, Saturn's icy 'waterworld,' and farmed salmon threaten wild ones
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Time for a flight of fancy
Suddenly, a trip to 'outer space' with my son seemed far more important than folding laundry.
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