When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

New SETI Institute research reveals stellar "space weather" can distort alien radio signals before they even leave their home ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical | Space ...

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 ...

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.

In March 2026, SETI Institute researchers contributed to a wide range of conversations about our solar system and the search for life beyond Earth. From explaining unusual features on Mars and ...