For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

The first “signal from space” wasn’t aliens—it was a dog’s heartbeat. In November 1957, Laika orbited Earth every 104 minutes ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after ...

Astronomers have detected the first-ever "radio signal" coming from the interstellar comet 3I/ATLAS, right as it passed the halfway mark on its oneway trip through the solar system. And while this may ...