Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

A mysterious celestial object has arrived from outside the solar system.Last time, I talked about 'Tabby's Star,' where a ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of technology. The verdict was less science fiction than some might have ...

Last week, a strange metallic object was found in a Minnesota cornfield. Rumors and jokes about alien crashes were a-plenty, ...