SETI researchers may have missed alien signals due to a cosmic phenomenon that distorts narrowband radio waves, new research says.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

What's up with those machines?

“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 ...

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?

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

The Alien franchise has always focused on just one titular alien — the Xenomorph. Yes, over the years, we got extrapolations of the Xenomorph, like the Queen, and the facehuggers. Yet they all still ...

'Alien: Earth' premiered its first two episodes on Aug. 12 Caroline Blair is a writer for PEOPLE. She has been writing about celebrities, entertainment, reality TV stars and news for five years. Alamy ...

Alien: Earth showrunner Noah Hawley clearly didn’t think the franchise was doing enough with the implications of its title. Ridley Scott’s Alien (1979) imagined the kind of nightmare lifeforms that ...

Unlike Star Wars, which takes place a long time ago in a galaxy far away, the Alien movies have always been a glimpse into humanity's distant-but-imaginable future. Putting aside the non-canon Alien ...