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

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

Artist’s illustration of interstellar comet 3I/ATLAS releasing gas and dust as it passes through the solar system. Astrobiology Web Interstellar comet 3I/ATLAS shows unusually high methanol levels.

The Fermi Paradox asks a simple but unsettling question: if the universe is so vast, why haven’t we found evidence of alien civilizations? Scientists have proposed many explanations, but some of the ...

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

“The universe is not as quiet as we were told.” The line belongs to a dramatic retelling of a disputed signal claim, but it captures a sober scientific problem: the first technosignature humanity ...

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

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Solar winds near aliens’ homes – and ours – might be blowing away signs of alien technosignatures by broadening signals The ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

But the creepiest layer of Marathon ’s mythology involves entities called the W’rkncacnter — primordial forces of chaos so dangerous they were imprisoned inside stars, black holes, and only ...