Alien Life, Exoplanets, Planets Internet investor Yuri Milner joins with Berkeley in $100 million search for extraterrestrial intelligence
Alien Life, Milky Way New instrument extends the search for extraterrestrial intelligence to new realms
Alien Life The SETI Institute is after alien signals. Assuming another world is beaming a 1-million-watt radio signal in our direction, how far away can that source be before the signal is lost in intergalactic noise?