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    The international team of astronauts taking part in ESA’s caving adventure have returned to Earth after spending six days underground conducting research in areas including geology, biology and microbiology.
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    NASA's Mars rover Curiosity has driven up to a football-size rock that will be the first for the rover's arm to examine.
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    New findings support the theory that a climate-altering cosmic impact that occurred some 13,000 years ago.
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    In this interview, NASA atmospheric scientist Pawan Bhartia discusses what it was like to play a role an 'unparalleled environmental success story' - the discovery and stabilization of Earth's ozone hole.
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    A new study could help scientists solve some long-standing mysteries about the formation of the Moon.
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    Don Pettit continues his diary from Expedition 31 on the International Space Station. In this installment, he comments on what he will miss when the mission ends, and the complications of dealing with waste in a limited space while in orbit.
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  • Opportunity Finds a New Batch of Blueberries
    Eight years after discovering 'blueberries' on Mars, the Opportunity rover has found a different type of spherule on the martian surface. They resemble previous 'blueberries', but are densely packed in an unusual rock outcrop.
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    NASA's Mars Curiosity team has almost finished robotic arm tests in preparation for the rover to touch and examine its first Martian rock.
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    An amateur astronomer reported the visual detection of a fireball on Jupiter at 11:35 UT on September 10 2012.
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    The Mars Reconnaissance Orbiter has provided evidence of carbon dioxide snowfall on Mars.
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    Methane on Mars has been taken as an indication that the planet could be geologically or biologically active. The origin of Mars methane is unknown, but a new theory suggests an unexpected source - dust storms and dust devils.
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    Simulated models are helping astronomers better understand how turbulence and temperature in protostellar disks can affect how planets are born.
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    A team of scientists has drilled into the Earth and obtained rock samples from deeper than 2,111 meters below the sea floor. The samples could provide valuable information about the deep subsurface biosphere of Earth.
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    A new study shows how tiny sea creatures called rhabdopleurids have survived for more than 500 million years and outlasted more elaborate species that descended from a common ancestor.
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    On Mars’s poles there are ice caps of ice and dust with layers that reflect to past climate variations on Mars. Researchers have related the layers in the ice cap on Mars’s north pole to variations in solar insolation on Mars, thus establishing the first
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