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 ...

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 ...

Last year, a single star found fame. It consistently made headlines and even appeared on "Saturday Night Live" and "The Late Night Show with Stephen Colbert." The star (often referred to as Tabby's ...