The mega structures of the ancient world are famously awe-inspiring. They showcase the ingenuity, ambition and ...

Researchers have identified engravings in Jordan and Saudi Arabia as the oldest known scaled building plans in human history. An international team of researchers including the University of Freiburg ...

A group of researchers have identified at least seven stars that might be surrounded by advanced alien mega-structures known as "dyson spheres." NBC News' Ellison ...

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