The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints.

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

The Search for Extraterrestrial Intelligence (SETI) is a dream of humanity, but advanced extraterrestrial civilizations do not ...

When people imagine first contact with aliens, they often picture giant ships in the sky or wise beings sending peaceful messages.

"There is a silence in the night sky that has bothered me for as long as I can remember." That line, attributed to Richard ...

The curious minds at What If explore what would happen if there were an alien civilization on Proxima b.