Solar System

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    A new study shows that generation of carbon dioxide in tropical ecosystems increases when temperatures rise, unlike ecosystems in other parts of the world.
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    X-ray observations have been used to observe a transiting exoplanet for the first time. The discovery is important because using X-rays to spot a planet can reveal additional information about the planet's properties.
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    Here’s to a long life – which, on average, is longer today than it was a century ago. How much farther can we extend that ultimate finish line? Scientists are in hot pursuit of the secret to longer life. The latest in aging studies and
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    New data from permafrost studies are helping scientists understand the rate at which carbon dioxide is released during thawing. A crucial factor is water content in the soil, and its effect on the activity of microorganisms.
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    Scientists have long questioned the identity of 'centaurs,' the small celestial bodies orbiting between Jupiter and Neptune. A new study indicates that most of these objects are comets.
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    NASA's IRIS spacecraft has orbited around the Earth and opened the door to its telescope - providing scientists with their first view of the mysterious lower layers of the Sun's atmosphere.
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    A new study indicates that water responsible for carving valley networks on Mars originated as snow or rainfall. The study could shed new light on the planet's ancient climate and potential for life.
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    A new study suggests that life on land is four times as old as previously believed. Researchers have discovered a 2.2 billion year old fossil microorganism in South Africa that could be the oldest known eukaryote.
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  • New Evidence for a Martian Ocean
    Scientists studying data from the Mars Reconnaissance Orbiter have discovered new evidence that Mars may have once had a vast ocean of water on its surface.
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    Color and black-and-white images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space.
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    The first global atlas of marine plankton reveals remarkable underwater world.
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    NASA's MAVEN mission is set to launch later this year and will carry an instrument to measure charged gas particles in Mars' upper atmosphere. The data will help astrobiologists understand if Mars' atmosphere was once substantial enough for liquid water to persist at the surface.
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    ENCORE “Follow the water” is the mantra of those who search for life beyond Earth. Where there’s water, there may be life. Join us on a tour of watery solar system bodies that hold promise for biology. Dig beneath the icy shell of Jupiter’s moon
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    Two new studies based on data from NASA's Curiosity rover are helping to explain how Mars lost much of its original atmosphere. Studying the atmospheric history of Mars can provide clues as to whether or not the planet could have been capable of supporting life
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    Two NASA spacecraft, one studying the Saturn system, the other observing Mercury, are maneuvering into place to take pictures of Earth.
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