SETI Continues Extrasolar Search for Life

Radio telescopes of the Allen Telescope Array are seen in Hat Creek, Calif.

Ben Margot/AP

The SETI Institute is investigating an unusual radio signal received by Russian astronomers.  The signal may originate from a solar system with a sun similar to our own, known as HD 164595, but so far only one planet has been discovered in said system and it has little chance of harboring life as we know it. Speculation over the source of the signal ranges from "natural sources" to secret spy satellites, but without further information we can't know for certain.  What do you think caused this mysterious signal?  Is it a message from another world, or simply a sensitive communication sent via secret satellite?

Yours in Impossibility,

Tobias