Last Updated: Friday, July 04, 2014, 12:49
Scientists have revealed that the controversial signals were not coming from the two planets, which might support life, orbiting the dwarf star Gliese 581.
Last Updated: Tuesday, January 15, 2013, 21:15
If it were possible, the reality of interstellar travel would be a lot less spectacular, according to a group of student physicists.
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