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

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

There has to be recognizable life out there, somewhere close enough we can find it. That's the idea behind SETI, and also the huge new alien-hunting Five-hundred-meter Aperture Spherical Telescope ...

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, ...

Astronomers have their best solution yet to the mysterious alien megastructure star Scientists have a new explanation for Tabby’s Star’s mysterious dimming. Rather than an alien megastructure, a dying ...

A team of astronomers using the Kepler Space Telescope has discovered a star with some very unstar-like behavior – and it's causing a lot of buzz. For four years a team studied the star and concluded ...

A new study published as a preprint on arXiv suggests that advanced extraterrestrial civilizations might not need to surround stars with giant structures to collect energy. Instead, they could extract ...