Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

It may not breathe, eat, or sleep. It may not reproduce in any ordinary sense. It may not have a face, a voice, or a body shaped by evolution. It may be a machine. This is not a wild idea – it follows ...

Astronomers might be hunting for alien signals in all the wrong places. A new ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in the modern information age. Reading time 4 minutes The moment of first ...

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything like us? Would they communicate through sounds, signals, or something ...

For decades, the search for extraterrestrial intelligence has been guided by one hopeful assumption: somewhere in the galaxy, another civilization may be trying to reach us. Radio telescopes have ...

SIXTY years ago, space aliens were the preserve of lunatics and eccentrics, thanks to decades of sci-fi schlock, flying-saucer nonsense and Lowellian fantasies of Martian canals. Then, in 1950, came ...

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 ...

Long before Artemis II captured our attention by taking humans farther from Earth than ever before, humans have been fascinated by the possibility of exploring other worlds, finding life on other ...