Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent ...

Scientists have updated global rules for announcing possible alien signals. New guidelines emphasize independent verification ...

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...

On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

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