Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

"The transformation of the Bernabéu is one of the most spectacular constructions in the world in recent years, should be told by an organisation of the global standing of National Geographic. It is a ...

In 1960, Freeman Dyson proposed how advanced civilizations could create megastructures that enclosed their system, allowing them to harness all of their star's energy and multiplying the habitable ...

During excavations near Stăuceni in the Botoșani district in northeast Romania, archaeologists from FAU discovered a megastructure built by the Cucuteni-Trypillia culture. Covering approximately 350 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A NASA satellite image of the sky, with a hot, dusty galaxy circled in magenta. A team of astronomers combed through a collection ...

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 ...

, July 10 -- Scientists searching for signs of intelligent extraterrestrial life say some of the coldest objects in the Milky Way may not be stars at all but massive energy-collecting structures built ...