The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers try to sketch where alien societies might arise, thrive and vanish inside ...

Aerospace engineer Joseph Shoer whipped up this cool map of a galactic civilization in his spare time, when he wasn’t researching designs for real-life spacecraft. Not only is this galaxy thoroughly ...

According to a new study in The Astrophysical Journal, there could be dozens of intelligent alien civilizations hiding in our galaxy, all capable of communicating. “There should be at least a few ...

Most of the alien civilizations that ever dotted our galaxy have probably killed themselves off already. That's the takeaway of a new study, published Dec. 14 to the arXiv database, which used modern ...

The Breakthrough Listen project has made several attempts to find evidence of alien civilizations through radio astronomy. Its latest effort focuses attention on the center of our galaxy. The idea ...

Researchers found seven stars in our galaxy that might host alien megastructures called Dyson spheres. But these stars' strange behavior could also be explained by other phenomena, like clouds of dust ...

Visitation from an alien intelligence would be either the coolest or the worst thing that could happen to our species. From the moment an alien showed up on our radar, we’d be in for a world of ...