An Anomalous SETI Signal . ... There is a slight possibility that it just might originate from an extraterrestrial intelligence . The bright colors on the blue background indicate that an anomalous signal was received here on Earth by a radio telescope involved in a Search for Extraterrestrial Intelligence (SETI). ... No signal has yet been strong enough or run long enough to be unambiguously identified as originating from an extraterrestrial intelligence . ... NASA Official: Jay Norris. ...