Most of our experience with the Search for Extraterrestrial Intelligence (SETI) has focused on capturing radio signals that ...

Researchers propose that tiny technological remnants from extinct alien civilizations could have landed on the moon after ...

Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

Lunar regolith may hold microscopic alien debris, and scientists plan to excavate one cubic meter of Moon soil to find out.

Add Yahoo as a preferred source to see more of our stories on Google. A high-frequency SETI search using ALMA opened new radio bands and showed that past surveys may have covered millions more stars. ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the ...

They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to run. Now, international scientists are theorizing that these intelligent ...