If Aliens Were Sending us Signals, This is What They Might Look Like - Universe Today
A mysterious radio signal has been detected from a distant galaxy, MIT says - The Boston Globe
Berkeley SETI
No Radio Signals From That 'Alien Megastructure' Yet - But Scientists are Listening
SETI Observations
Alien hunters detect mysterious radio signal from Proxima Centauri
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