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

Scientists say the findings of the new study may make future searches for extraterrestrial intelligence faster and more ...

Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio ...

Archived radio observations could open new frequencies to SETI while showing that past searches covered millions more stars ...

Most SETI attempts have focused on a narrow stretch of the radio spectrum known as the “water hole." ...

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.

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

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

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

Alien hunters update guidance on sharing news of possible intelligent life. Scientists searching for intelligent life beyond Earth have updated their guidance on how the world should be told if a ...

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 ...