SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

SETI scientists have detected signals that don’t behave like anything found in nature — narrowband, repeating, and drifting ...

The SETI Institute continues to answer the age-old question: “Are We Alone?” From celebrating 40 years of groundbreaking research to exploring the potential of AI in extraterrestrial communication, ...

The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a ...

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 ...

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 ...

December 10, 2025, Mountain View, CA -- For 10 months, a SETI Institute–led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal "twinkles" as it passes through gas ...

A star system 94 light-years away is in the spotlight as a possible candidate for intelligent inhabitants, thanks to the discovery of a radio signal by a group of Russian astronomers. HD 164595, a ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

Today, the House Science Committee held a hearing on "Astrobiology and the Search for Life in the Universe," discussing the steps we've taken to search for life in outer space. Unfortunately, we're ...