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

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 ...

Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...

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

The director behind one of the year’s buzziest UFO documentaries is now openly suggesting that a sitting president could be the person who finally tells the world whether intelligent life exists ...

A new study presented at the 2025 EPSC/DPS Joint Meeting proposes that the rarity of specific geological and atmospheric conditions necessary for technologically advanced life significantly limits the ...

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 ...