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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What's a monster hurricane doing on top of Saturn? (+video)
A monster hurricane at Saturn's north pole, spotted by NASA's Cassini spacecraft, has an eye 1,250 miles wide and inner eye wall winds of 330 miles an hour. Its energy source is a mystery.
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A new form of microbe in Antarctic lake?
Russian scientists say that they have detected an "unidentified and unclassified" bacterium from a giant lake locked under Antarctic ice. But some have suggested that the samples could have been contaminated.
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Millionaire plans to send couple to Mars in 2018. Is that realistic? (+video)
The Inspiration Mars Foundation, led by space tourist and multimillionaire Dennis Tito, announces its plan to send a married couple on a flyby mission to the Red Planet beginning in 2018.
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How Nicolaus Copernicus moved the Earth
Nicolaus Copernicus, whose 540th birthday is celebrated on Google's homepage Tuesday, kicked off the Scientific Revolution.
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Earth-like planets next door? Prospect could point to 9.6 billion more
A new study calculates that the nearest Earth-like planet may be only 13 light-years away – and argues there may be more habitable planets out there than we thought.
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NASA's Voyager 1 hits a 'magnetic highway' out of the solar system
Scientists at NASA say the unmanned Voyager 1 spacecraft has reached the edges of the solar system. They estimate in a few months to a year Voyager 1 will become the first manmade object to leave the solar system and enter interstellar space.
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Do Pluto's moons pose risks for NASA spacecraft? (+video)
Scientists are planning a new route for NASA's New Horizons space probe as it approaches a potentially perilous path toward Pluto. They aim to chart a safe, but interesting course.
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Space boat could voyage on Saturn moon Titan's lakes
Titan, the largest of the more than 60 natural satellites of Saturn, is covered in seas, lakes and rivers of methane, and hosts a thick atmosphere, making it one of the most Earth-like bodies in the solar system.
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Out at the edge of the solar system, surprises for Voyager 1 (+video)
Voyager 1 seems to have hit the doldrums as it approaches the edge of the sun's sphere of influence. Still, says a lead scientist, 'We all have the sense that something big is imminent.'
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NASA to launch new mission to Mars to probe below the crust (+video)
NASA'S first mission deep below the surface of Mars aims to understand how the Red Planet formed and how that geological history compares with that of another rocky planet – Earth.
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Curiosity's Mars exploration: Is it worth the money? (+video)
The search for life on Mars has captivated the imaginations of many, but it is costly. Some say it's time to cut spending on NASA's Mars missions, while others say the research is important in the quest for understanding the 'meaning of life.'
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Why we keep going back to Mars (+video)
The Mars Curiosity Rover scheduled to touch down on Aug. 5 represents mankind's 40th attempt to explore the Red Planet over the past 50 years. What is it about the Mars that keeps calling us back?
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NASA probe spots bizarre lightning storm on Saturn
NASA's Cassini spacecraft orbiting Saturn has spotted intense blue daytime lightning on the ringed planet. Previously lightning had only been detected on Saturn's night side.
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Pioneer Anomaly solved: No need to rewrite physics just yet
The gradual slowing of NASA's Pioneer space probes launched in the early 1970s could not be explained by our current model of gravitation, until now.
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Bizarre vortex spotted on Saturn's largest moon
NASA's Cassini probe has photographed a swirling vortex of gas high above the south pole of Titan, Saturn's largest moon.
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Does Saturn's moon hide underground oceans?
Observations of how Titan warps as it orbits Saturn provides strong evidence for a liquid ocean buried under the surface of the gas giant's largest moon.
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Life on Saturn moon? Discovery of hidden ocean on Titan tantalizes. (+video)
Scientists already knew Titan has the building blocks for organic life in abundance. Now, the discovery of a underground sea with liquid water adds another intriguing element.
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Where's Mars? Look for the moon first.
Less than four months ago, Mars shone much brighter than today. Now spotting the Red Planet requires guideposts, such as the moon.
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Bizarre alien planets get cozy with each other (+video)
A duo of planets some 1,200 light years from earth have been spotted passing within 1.2 million miles of each other, closer than any other known pair of planets, a new study has found.
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Voyager 1 to become first man-made object to leave solar system (+video)
Launched in 1977, Voyager 1 is now poised to become the first craft to enter interstellar space.
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Lake on Saturn's moon could be fed by underground rivers, say scientists
The discovery of a huge methane lake at tropical latitudes on Titan could help scientists better understand the bizarre atmosphere of Saturn's largest moon,
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Tropical lake on Titan? Surprising find could solve moon's methane mystery.
Scientists have wondered whether some unseen process replenishes the lakes of liquid methane on Titan, Saturn's biggest moon. A newly found lake suggests intriguing possibilities.
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Scientists find humongous methane lake on Saturn's moon (+video)
The otherwise dry tropics of Saturn's largest moon, Titan, hold a massive lake of methane that is thought to be fed by underground channels.
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Florida scientists reduced to holding bake sale to fund NASA
In an effort to rescue planetary science projects amid budget cuts, scientists in Florida are holding bake sales and car washes to sway legislators to protect NASA's budget.
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Venus transit 2012: a chance to test Earth-hunting techniques (+video)
Venus's 2012 transit across the sun will let researchers test methods for observing Earth-like planets light years away. It's an opportunity that won't be available again until December 2117.
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