MegaStructures is a documentary television series appearing on the National Geographic Channel in the United States and the United Kingdom, Channel 5 in the United Kingdom, France 5 in France, and ...

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 ...

This image shows what a Dyson sphere could look like. Signs of these energy-collecting megastructures may have been detected around seven stars. ISTOCK / GETTY IMAGES PLUS A Dyson sphere is a ...

Documentary following an international team of archaeologists and researchers as they explore the extraordinary groups of ...

Have astronomers discovered an alien megastructure? The latest finding from NASA's planet-hunting space telescope, Kepler, has scientists talking -- and they're stumped.