Most recent
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11 Aug 2014:
Astronomers and amateur skywatchers excited as perigee moon and comet Swift-Tuttle appear together for dazzling skies
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11 Aug 2014: The spectacular sight of hundreds of shooting stars streaking across the sky might be obscured by the supermoon this year. But you can improve your chances of seeing it, says Nishad Karim
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7 Aug 2014:
Alan Pickup on the possibility of damage to Mars-orbiting spacecraft by a close encounter with comet C/2013 A1 Siding Spring
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6 Aug 2014: European Space Agency probe brought to within 100km of comet travelling at 55,000km per hour, where it will begin analysis
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19 Jul 2014: European probe Rosetta will close in on Comet 67P/Churyumov-Gerasimenko next month and its analysis could reveal whether comets brought Earth its water and amino acids, writes Robin McKie
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26 Jun 2014: Alan Pickup tracks the European Space Agency craft as it pursues its icy target on a headlong dive into the Sun
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1-15 of 101 for Comets