Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

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

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

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 ...

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

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

A team of researchers argues that the Moon could have been collecting microscopic fragments of alien technology for billions ...

The age of our universe and the commonality of Earth-like planets indicates the possibility of alien civilizations either ...

(Esben_H/iStock/Getty Images Plus) The Fermi paradox asks: If there are other civilizations in the Universe besides ours, why ...

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 ...

Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began to pick up mysterious, unknown radio sources in the cosmos. Soviet ...