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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 – ...

'Where is everyone?' It's the famous question about aliens, echoing out to our quiet galactic neighbors after Manhattan Project physicist Enrico Fermi asked it in 1950. But perhaps even a highly ...