Add Yahoo as a preferred source to see more of our stories on Google. Researchers found seven stars in our galaxy that might host alien megastructures called Dyson spheres. But these stars' strange ...

Scientists claim to have detected signs of a long-hypothesised alien power-generation technology in the Milky Way galaxy, hidden away in a trove of astronomical data. These hypothetical “Dyson spheres ...

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets we've found so far—which in turn makes them interesting for astrobiological ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill. When ...

One of the most famous exploding stars ever recorded by humanity may have been an invader from another galaxy, according to a new analysis of its movements. What is more, alien stars like this might ...

A group of 'immigrant' stars not born in our galaxy has been newly observed moving together near the Sun and reported to the academic community. According to the Texas Advanced Computing Center at the ...

That band of light is our home we know as the Milky Way galaxy. But it is impossible to see the galaxy as a whole with our ...

In the search for intelligent alien life, finding a Dyson sphere would be like hitting the jackpot. Theoretically, super-advanced alien societies could build these giant, ultra-high-tech ...