The “post-detection protocols” for announcing the discovery and existence of alien life have just had their first major update in 16 years, though the all-important "no reply" rule remains in place.

SETI is entering an AI-assisted era in which more kinds of technosignatures can be found faster. The safeguard is not a single higher threshold, but a public evidence ladder that separates anomaly, ...

The International Academy of Astronautics (IAA) has ratified protocols advising what an astronomer should do if they discover evidence for extraterrestrial intelligence in our modern global world of ...

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 ...