The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

Whether or not aliens exist, the SETI program has never stopped believing. Yet today, radio telescopes are no longer seen as the best way to ...

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