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, ...

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 ...

Want to bookmark your favourite articles and stories to read or reference later? Start your Independent Membership today. However, no confirmed technosignatures like artificial radio transmissions, ...