Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

"Awards like these are a critical component of our incubator program for future missions, which combines government ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

After reviewing almost 30 years of signals, University of California Berkeley researchers have identified 100 mysterious, ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Now, scientists at UC Berkeley have announced they have distilled 21 years of data into a "shortlist" of 100 mysterious radio ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

Real scientific efforts at universal communication have also involved mathematics and numbers. The covers of the Golden ...