Seven different stars in our galaxy may show signs of being contained within Dyson spheres, megastructures that could be constructed by advanced civilizations to harness radiation energy from stars, ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. It might be evidence of aliens building gigantic structures around ...

The latest finding from NASA's planet-hunting space telescope, Kepler, has scientists talking -- and they're stumped. "We've ruled out the usual suspects and are scratching our heads and can't figure ...

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 video explores futuristic concepts for living beyond Earth, including floating bubble habitats and massive zero gravity megastructures. It looks at how humans could survive and thrive in space ...

Some day in the far future, it’s possible our descendants will kick it up a notch and wrap the entire Sun in a massive solar-collecting shell known as a Dyson Sphere. It’s also possible that some ...

A European Space Agency catalog of the Milky Way's billions of stars could be hiding evidence of highly advanced alien civilizations with serious building skills. Eric Mack has been a CNET contributor ...

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" ...