Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...

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 ...

From the longest tunnel of the ancient world to a highway suspended above raging waters, Rome built engineering marvels that ...

The curious minds at What If reveal the top three coolest space megastructures, imagining the mind-blowing engineering feats that could exist beyond Earth. Andrew Mountbatten-Windsor arrested, police ...

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 ...