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 ...

The peculiar dimming of Tabby’s Star, also known as Boyajian’s Star, has captivated astronomers and sparked theories ranging from natural phenomena to massive alien megastructures. As scientists ...

If you’re trying to come up with the best game plan for proving the existence of extraterrestrials, you’ve got plenty of options. Naturally, you want a strategy with a high chance of success, simply ...

The truth is out there — or at least that’s what researchers at NASA and the Search for Extraterrestrial Intelligence (SETI) Institute are hoping. While much of the SETI Institute's research involves ...

Throughout the 1960s and ’70s, starry-eyed architects set their minds to megastructures – massive, multi-purpose designs that could house communities or even entire cities. Complex and expensive to ...

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 ...