In Egypt in 1940, researchers uncovered evidence that one ancient structure was built with eight concave sides instead of four—an astonishing design that suggests its creator possessed mysterious knowledge far beyond their time. #AncientAliens | Ancient Aliens

Researchers May Have Discovered Source Of Alien Broadcast Found Nearly 50 Years Ago

Eight mysterious radio signals picked up by 'alien-hunting telescope'

The Wow! Signal: An amateur astronomer may have pinpointed 'alien' signal's origin