Radar instruments orbiting hundreds of kilometers above the Sahara have mapped a network of buried river channels that once ...

Technosignature research is heating up, with plenty of papers speculating on the nature, and sometimes the longevity, of signals created by technically advanced extraterrestrial civilizations. While ...

The hunt for aliens goes hand in hand with the hunt for habitable planets. Astronomers are on the hunt for exoplanets with atmospheric chemicals that could be a sign of an advanced civilization. These ...

The idea that an advanced civilization existed on Earth long before humans is fascinating, but scientists aren't convinced.

Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — Astronomers and other scientists have concluded that, with so many stars in the universe, there must be planets ...

If fusion energy is a must-have for advanced civilizations, evidence of its use could help us find aliens. A new study led by the University of Washington analyzes how deuterium-deuterium (DD) fusion ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...