Browse Archive
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NASA's Cassini Reveals Lake-Like Feature on Titan
Scientists are fascinated by a dark, lake-like feature recently observed on Saturn's moon Titan.
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Whirling Atoms Dance Into Physics Textbooks
NASA-funded researchers at the Massachusetts Institute of Technology, Cambridge, Mass., have created a new form of superfluid matter.
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Cool Star Shows for Hot Summer Nights
As the mercury shoots upward and lazy summer days stretch into balmy evenings, NASA is teaming with amateur astronomy clubs across the country.
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NASA's Spitzer Captures Echo of Dead Star's Rumblings
An enormous light echo etched in the sky by a fitful dead star was spotted by the infrared eyes of NASA's Spitzer Space Telescope.
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NASA Announces Spectacular Day of the Comet
After a voyage of 173 days and 431 million kilometers (268 million miles), NASA's Deep Impact spacecraft will get up-close and personal with comet Tempel 1 on July 4 (EDT).
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Scientists Discover Possible Titan Volcano
A recent flyby of Saturn's hazy moon Titan by the Cassini spacecraft has revealed evidence of a possible volcano, which could be a source of methane in Titan's atmosphere.
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NASA's Opportunity Rover Rolls Free on Mars
Engineers and mission managers for NASA's Mars Exploration Rover mission cheered when images from the Martian surface confirmed Opportunity had successfully escaped from a sand trap.
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NASA's Phoenix Mars Mission Gets Thumbs Up for 2007 Launch
NASA has given the green light to a project to put a long-armed lander onto the icy ground of the far-northern martian plains.
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NASA Spacecraft Measures Unusual 2005 Arctic Ozone Conditions
Despite near-record levels of chemical ozone destruction in the Arctic this winter, observations from NASA's Aura spacecraft showed that other atmospheric processes restored ozone amounts to near average and stopped high levels of harmful ultraviolet radiation from reaching Earth's surface.
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NASA's Space Eyes Focus on Deep Impact Target
Two of NASA's eyes in the sky, the Spitzer and Hubble Space Telescopes, helped scientists prepare for the comet Tempel 1 encounter.
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NASA Selects New Frontiers Mission Concept Study
NASA today announced that a mission to fly to Jupiter will proceed to a preliminary design phase.
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Icy Jupiter Moon Throws a Curve Ball at Formation Theories
Scientists studying data from NASA's Galileo spacecraft have found that Jupiter's moon Amalthea is a pile of icy rubble less dense than water.
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NASA Telescope Catches Surprise Ultraviolet Light Show
It was a day like any other for a nearby star named GJ 3685A – until it suddenly exploded with light.
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Spitzer Captures Fruits of Massive Stars' Labors
The saga of how a few monstrous stars spawned a diverse community of additional stars is told in a new image from NASA's Spitzer Space Telescope.
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Odd Spot on Titan Baffles Scientists
Saturn's moon Titan shows an unusual bright spot that has scientists mystified.
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Rovers Continue Martian Missions
NASA's Mars rover Opportunity is trying to escape from a sand trap, while its twin, Spirit, has been busy finding new clues to a wet and violent early Martian history.
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Voyager Spacecraft Enters Solar System's Final Frontier
NASA's Voyager 1 spacecraft has entered the solar system's final frontier.
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Cassini Radio Signals Decipher Saturn Ring Structure
The Cassini spacecraft has obtained the most detailed look ever at Saturn's rings, including the B ring, which has eluded previous robotic explorers.
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NASA's AcrimSat Solar Spacecraft Completes Five-Year Mission
A NASA satellite that measures the variability in the amount of the Sun's energy that reaches Earth's atmosphere and impacts our winds, land and oceans has successfully accomplished its five-year primary mission.
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One Mars Orbiter Takes First Photos of Other Orbiters
Photographs from NASA's Mars Global Surveyor spacecraft released today are the first pictures of any spacecraft orbiting Mars ever taken by another spacecraft orbiting Mars.