Add Yahoo as a preferred source to see more of our stories on Google. Distance, light speed, biology, and time may explain why alien civilizations never meet. (CREDIT: Wikimedia / CC BY-SA 4.0) "There ...

Experts believe ancient alien civilizations have been living on mars. See more in this clip from Season 1, Episode 7, "Mystery Hum and Mayans on Mars." ...

“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 ...

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

The Search for Extraterrestrial Intelligence (SETI) is a dream of humanity, but advanced extraterrestrial civilizations do not necessarily communicate in the same way as humans. A paper published on ...

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 ...

When people imagine first contact with aliens, they often picture giant ships in the sky or wise beings sending peaceful messages. A new scientific idea suggests something very different. According to ...

For as long as we’ve been exploring space, the search for alien intelligence has followed a familiar script. We point antennas at the sky. We listen for radio signals. We scan for massive structures ...

A new research study has revealed a new source that could harbour the secrets of Ancient civilizations . According to researchers, the pulverised technology from collapsed alien civilizations could be ...