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 ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

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 ...

Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...

The Fermi Paradox ponders an endlessly fascinating question: If so many worlds exist in the universe, why haven’t we detected any sign of extraterrestrial life? A possible reason, called the ...

It categorizes advanced civilizations by measuring their technological advancement based upon the amount of energy they are capable of harnessing and using. They also propose an alternate scale based ...

A cosmologist suggests we should look for exploration, along with energy signatures, to try and find aliens. Dyson spheres of some kind may be built to harvest energy from dark matter in black holes.

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light-years distant. Yet despite the odds, scientists insist that continuing the ...