• 'Alien Bugs' Discovered In Earth's Atmosphere http://news.sky.com/story/1143906/alien-bugs-discovered-in-earths-atmosphere 13 comments 19/9/2013

• 'Alien Bugs' Discovered In Earth's Atmosphere http://www.youtube.com/watch?v=ftHwDbA20p0 9 comments 19/9/2013 aliens
• Biggest science news in awhile...researchers in the UK find "alien bugs" in Earth's atmosphere! http://news.sky.com/story/1143906/alien-bugs-discovered-in-earths-atmosphere 7 comments 19/9/2013 science
• 'Alien Bugs' Discovered In Earth's Atmosphere http://news.sky.com/story/1143906/alien-bugs-discovered-in-earths-atmosphere 31 comments 19/9/2013 worldnews
• Bugs in the atmosphere http://m.pnas.org/content/early/2013/01/22/1212089110 3 comments 29/1/2013 science