In a galactic breakthrough, modern telescopes have unveiled potential signals of alien megastructures. We’re treading into the realm of advanced civilizations and their technological marvels, and the ...

Scientists have discovered evidence of stone megastructures on the Karst Plateau on the border of Slovenia and Italy that were most likely built before the Late Bronze Age. These enormous structures ...

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. What would be the ...

In the classic 1937 sci-fi novel "Star Maker," author Olaf Stapledon imagined a massive machine that could encompass an entire star, capturing its energy and harnessing it to provide near unlimited ...

In the heart of central Europe are some of the world’s most impenetrable military strongholds. In France, 160 megastructure fortresses still line the country’s borders 3 centuries after they were ...

Simon Goodwin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...