Nearby galaxies in our universe show no signs of advanced alien civilizations — at least for now. A new study that examined the most promising galaxies we can see out of a collection of 100,000 found ...

We may not be not the universe's first advanced civilization. That's the conclusion of a recent revision of the famous 1961 Drake Equation, which estimates the number of intelligent civilizations in ...

What if aliens were advanced enough to harness the power of the stars - or so advanced they didn't need it? Intelligent alien societies may be scattered across the galaxy and beyond, but scientists ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

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 ...

Readers of this blog know that I’m a big fan of Quora, because it lets non-experts raise the kinds of speculative questions that don’t normally come up in formal scientific discussions. One frequent ...

Scientists have not been able to find so-called "technosignatures" - but there are several theories as to why ALIEN civilizations far more advanced than ours may be lying in wait in distant galaxies – ...

For decades, humans have scanned for signals of alien technology emanating through the galaxy. The search highlights the contradiction between the abundance of planets and stars that stretch across ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

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 ...

While black holes are notorious for having such a strong gravitational pull that not even light can escape them, they also produce energy in a number of different ways. Researchers from the National ...

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 ...