Astronomers may be able to identify possible Dyson swarms by looking for unusually cold, clean infrared signals around ...

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 ...

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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 ...

An advanced alien civilization may want to cruise around the galaxy, and the best way to do that is by steering their binary star system, a researcher proposes in a new paper. Long-lived civilizations ...

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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

An observation of an ultra-faint galaxy, captured as it was shortly after the Big Bang, indicates the presence of material from the first generation of stars. Because light travels at a finite speed, ...