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

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

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 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 ...