In the constellation Cygnus, roughly 1,470 light-years from Earth, sits an otherwise unremarkable star that briefly became ...

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Learn about the theories behind the unusual dimming of Tabby's Star, from alien megastructures to an orbiting companion ...

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If an alien megastructure indeed encircles a star known as KIC 8462852, it's 1,500 years old and no one may be home anymore. Q: What’s the deal with that star that was giving off weird light signals?

There's a prosaic explanation for at least some of the weirdness of "Tabby's star," it would appear. The bizarre long-term dimming of Tabby's star — also known as Boyajian's star, or, more formally, ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

A rendering of a potential Dyson sphere, named after Freeman A. Dyson. As proposed by the physicist and astromomer decades ago, they would collect solar energy on a solar system wide scale for highly ...