One potential alien "artifact" has been spotted by scientists thus far...
Fast radio bursts (FRB) were first discovered in 2007 at Parkes Observatory in Australia, with several dozen or so detected since
NASA is currently looking for other civilizations in the universe or as the official program is titled "Search for extraterrestrial intelligence"
During that time, experts investigated more than 12,000 reports of UFO sightings, of which over 700 remain unexplained, according to records in the National Archives
He claims he's killed 18 "grays" on his ranch with a samurai sword!
It isn't the first time the ISS has spotted something odd
The truth is out there...somewhere off North Carolina, apparently!
Listen to the recording of numerous pilots notifying traffic control about the mysterious object
Existing technology could be used to produce an infrared beam bright enough to be spotted by intelligent alien civilizations
The blasts of radio waves are still unexplained & some blame extraterrestrial intelligent life!