NASA spies on dry, dusty worlds
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Tooling up in the hunt for aliens For the first time, astronomers have measured the composition of a planet outside the solar system, in what NASA says is a key step in its quest for extraterrestrial life.â¦
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In NASA&#39;s ideal scenario for cleaning the science payload containing solar particles from the Genesis capsule, the biggest worry had been about contamination from gases in the atmosphere, not from dirt in Utah&#39;s west desert.
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NASA scientists are using space satellites to unravel one of the great mysteries of the ancient world.  The long-lost secrets they're discovering could help modern people in Central America avoid the fate of the Maya.
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Earthâs widening belt of clutter puts future space exploration at risk, but the solutions are expensive.
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A new spectrometer lets scientists learn more about the planet's chemistry.
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Sniffing out any whiff of biology on Mars has become a scientific battle of the bands - spectral bands that is. The purported detection of methane in the martian atmosphere by Mars Express, the European
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The powerful vision of NASA's Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting another star.
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PASADENA, Calif. - A patch of Martian soil analyzed by NASA's rover Spirit is so rich in silica that it may provide some of the strongest evidence yet that ancient Mars was much wetter than it is now.
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U.S. government scientists say they've discovered satellite technology that overcomes an obstacle to measuring atmospheric water vapor from space.
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Something strange is happening on Mars. It seems something or someone is cleaning the windows on one of two rovers probing the surface of the red planet.
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MAUNA KEA, Hawaii -- The sharpest image ever taken of a dust disk around another star has revealed structures in the disk which are signs of unseen planets.     Dr...
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Astronomers have found a new class of objects in space: a neutron star orbiting inside a cocoon of cold gas and/or dust that hides a bloated supergiant star.
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British researchers detect water in atmosphere of planet that circles star far beyond our solar system.
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NASA's Opportunity Mars rover has come across  an interesting object&nbsp;-- perhaps a meteorite sitting out in the open at Meridiani  Planum. Initial data taken by the robot's Mini-Thermal Emission Spectrometer  (Mini-TES) is suggestive that the odd-looking rock is made of  metal.
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NASA has launched a 24-hour global pollution monitoring service that will eventually allow scientists to give daily &quot;chemical forecasts&quot; from space.
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By MICHAEL STROH The Baltimore Sun  Amateurs scan motes of interstellar dust captured by NASA's Stardust spacecraft.   BALTIMORE -- By day, Martin Courtney pounds out reports for a government contractor.
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NASA's Spitzer Space Telescope has captured for the first time enough light from planets outside our solar system, known as exoplanets, to identify signatures of molecules in their atmospheres.