Megastructures have big impacts on the world — namely the people around and the environment they affect. However, this one ...

Explore the fascinating world of macro-engineering and sci-fi solutions designed to protect and stabilize Earth. From harnessing super volcanoes and deploying giant space shields to building orbital ...

Add Yahoo as a preferred source to see more of our stories on Google. (cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically ...

Alien megastructures are a fun idea, but they seem likely to collapse under the weight of their ambition. Vast machines that wrap around stars, encase entire planets, or even have the ability to push ...

This programme unveils the engineering secrets of six iconic megastructures that went on to spark a technological revolution, ultimately changing warfare forever. The Nazis built some of the biggest ...