Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent peer-reviewed studies published in The Publications of the Astronomy Society of ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

If alien civilizations rise and fall, they may leave behind artifacts long after they are gone. From abandoned megastructures ...

A mysterious metallic sphere that reportedly fell from the sky near Buga, Colombia, in March has captured global attention, with some speculating it could be of extraterrestrial origin. The orb, seen ...