A story that went viral this week reports that astronomers finally found E.T., but those aren't the facts. CNET's Eric Mack talks with the astronomers involved about what is still a very interesting ...

The world was electrified last year when it was suggested that scientists had spotted an “alien megastructure” orbiting a distant star. Now a space boffin has suggested huge extraterrestrial ...

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 recent study reveals that certain configurations of artificial spheres and rings around binary stars could be stable. The work of Colin McInnes, published in the Monthly Notices of the Royal ...

If your understanding of Stone Age humans is one of primitive cave people bashing rocks together, then perhaps it’s time to think again. Our ancient ancestors were able to build huge Neolithic ...

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" ...

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 ...