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

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

A cubic metre of ordinary lunar soil might be one of the best physical records available anywhere for testing whether another ...

Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet ...

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 ...

The moon may be wearing a dusting of alien junk, and a group of researchers wants to go looking for it. In a new study that's under peer review for the International Journal of Astrobiology, ...

There has long been debate about the existence of extraterrestrial life and advanced alien civilizations out there in the ...

Seven Rasmussen, an astrobiologist and author of the new book Cloudy with a Chance of Starships, gives readers a tour of the ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...