Feb 14 2014SaveSpace2/14/14Space2/14/14Why It's So Hard to Find Alien LIfePaul Gilster - Centauri Dreams66SaveA big reason why the Fermi paradox has punch is the matter of time. Max Tegmark gets into this in his excellent new…
Feb 10 2014SaveSpace2/10/14Space2/10/14How Space Heat Helps Us Hunt Down Alien TechnologiesJason T. Wright - Centauri Dreams25SaveMy colleagues and I have begun the Glimpsing Heat from Alien Technologies (G-HAT) SETI program, which has been…
Apr 26 2010SaveSpace4/26/10Space4/26/10If Aliens Have Built Dyson Spheres Or Ringworlds Nearby, How Would We Detect Them?Paul Gilster - Centauri Dreams81SaveThe old approach to finding alien life, looking for radio signals, may be played out. New approaches are getting a…