A radio telescope in Ohio detected a strong narrow-band signal on Aug. 15, 1977, and never found it again. Astronomer Jerry ...

New Study Suggests Possible Extraterrestrial Messages May Have Been Overlooked ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...

Barnard's Star is a small red dwarf just six light-years from Earth. Despite its proximity, it was only noticed in 1916 when E. E. Barnard found it had a particularly high proper motion. It had ...

Louisa Mason's study uses archived ALMA data to explore new radio frequencies for alien signals, expanding SETI's search beyond traditional methods and increasing the number of stars surveyed.

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists Alien hunters have released fresh guidelines on how to handle potential signals from ...

Throughout June 2026, SETI Institute scientists, affiliates, and collaborators contributed to discussions spanning interstellar visitors, planetary science, technosignature searches, animal cognition, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more natural source. In a series of papers, astronomers have compared the "Wow!

For six decades, SETI researchers have been pointing their radio telescopes at a narrow slice of the electromagnetic spectrum and telling the world what they found — or more precisely, what they did ...