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

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 ...

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 ...

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

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

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 ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored.

Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has ...

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 ...

Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...

In the third week of August 1977, Ohio State University astronomer Jerry Ehrman was going over a computer printout of signals collected a few days earlier from his university’s “Big Ear” radio ...