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 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 ...

Sci-fi shows are home to deep, insightful quotes about the nature of war, as heard in lines from Fallout, Doctor Who, and ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly. For ...

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 ...

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 ...

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

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

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

There have been around 945 episodes of Star Trek, spread across more than a dozen shows, aired over sixty years. Yet for all the times Starfleet crew members have probed the intricacies of alien civil ...