Tiny traces of alien technology could, in theory, be preserved in the moon's dusty surface, and scientists are now urging that future missions deliberately search lunar regolith for such microscopic ...

If ancient extraterrestrial explorers ever traipsed through Earth's cosmic neighborhood, it's possible they left behind some interstellar litter in their wake. Think of it like the loose hubcaps on ...

For as long as we’ve been sending people to space, there has been the worry of bringing back some kind of as-yet-undiscovered pathogen from beyond Earth. So far, thankfully, nothing has come of the ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

Microscopic bits of alien tech on the moon? As scientists searched for intelligent extraterrestrial life — i.e., aliens — they’ve focused on a short list of standard possibilities. In other words, ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Cassini spacecraft captured this image of Enceladus on Nov. 30, 2010. The shadow of the body of Enceladus on the lower ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...