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 excavation of a Stone Age community center in Ukraine is helping explain why large groups of tens of thousands of people flourished and then fell more than 5,000 years ago. The "megastructure" ...

The China Earthquake Administration has selected a structural health monitoring (SHM) system from CGM Engineering Inc. to help engineers conduct research on seven recently constructed megastructures.

Our future in space may be one of millions or even trillions of vast space station, space habitats, and megastructures. How would a space-faring civilization going about traveling around such an ...

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 ...

Researchers have identified at least seven stars in our galaxy that may be surrounded by super-advanced alien megastructures, known as Dyson spheres. However, this is not the only explanation for ...

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 ...

'National Geographic Channel MegaStructures' takes a look at the construction history of Boston Big Dig project. Costing almost 15 billion dollars and taking almost 20 yrs to complete, the Boston's ...