In 2015, the same year an immense observatory on Earth captured proof of the 4D fabric of spacetime, scientists began toying with a rather far-fetched idea: If intelligent aliens are out there, might they have tried making a scientific megastructure of their own? And if they did, can we find it? Actually, have we already?
Yes, I am being fully serious. It all begins with a fascinating paper entitled "Planet Hunters IX. KIC 8462852 – where's the flux?"
