If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The “post-detection protocols” for announcing the discovery and existence of alien life have just had their first major ...

Scientists updated first contact protocols for 2026, requiring multiple verification steps and UN consultation before ...

A lot of serious scientists are searching for signs of alien life. Most of them are looking really, really far away—often in other star systems. But Harvard physicist Avi Loeb is looking nearby, in ...

Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...

Add Yahoo as a preferred source to see more of our stories on Google. Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious When you purchase through links on our site, we may earn an affiliate ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we’ve done everything from monitoring radio arrays to hypothesizing about whether ...

Astronomers warn humanity’s first alien detection may shock and surprise. Signals may not be friendly greetings but extreme and unmistakable. New research suggests initial contact could come from ...