Slashdot Items Tagged "greatfilter"

Date / Time Story
Friday October 30, 2015 @08:10PM Only 8% of the Universe's Habitable Worlds Have Formed So Far
Wednesday June 11, 2014 @09:05PM Aliens and the Fermi Paradox
Thursday April 24, 2014 @05:11PM Are Habitable Exoplanets Bad News For Humanity?
Thursday September 17, 2009 @12:53PM New "Drake Equation" Selects Between Alien Worlds
Thursday May 01, 2008 @01:43PM Why Life On Mars May Foretell Our Doom