It's almost certainly not an extraterrestrial telegram. But waves that seemed to come from the vicinity of Proxima Centauri ...

Imagine for just a moment that there is some other civilization out there in the universe, looking out at us radiantly, as we are. What would they perceive? All of our bustling metropolises glow from ...

The source of a supposed alien broadcast that made researchers go "Wow!" may instead have been the result of a remarkably rare cosmic event, a new study suggests. When you purchase through links on ...