Science fiction suggests that life on other planets, if it exists, is likely far more advanced than life on Earth. A recent ...

The search for advanced alien civilizations goes far beyond listening for radio signals, exploring possibilities such as laser beacons, neutrino communication, technosignatures, Dyson swarms and ...

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

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

(Esben_H/iStock/Getty Images Plus) The Fermi paradox asks: If there are other civilizations in the Universe besides ours, why haven't we yet made contact? Researchers who study this paradox – also ...

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 ...

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

Scientists believe that tiny fragments of technology from potential extraterrestrials who disappeared long ago may have ...

A new preprint from David Kipping, assistant professor of astronomy at Columbia University, has suggested that our first contact with aliens will likely be atypical, and particularly bleak. Since at ...

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 ...

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 ...

It would probably not be the first question we asked, and it would not be the most urgent. But it could be one of the most revealing. Did another intelligent species develop ideas about gods, souls, ...