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

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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes it seems like we got to the galactic party late and everyone has already gone home. Our species only figured out how to ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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 ...

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

It categorizes advanced civilizations by measuring their technological advancement based upon the amount of energy they are capable of harnessing and using. They also propose an alternate scale based ...

An off-the-record conversation about UFOs and alien civilizations late former President Jimmy Carter, who died last month at age 100, had with a reporter has been revealed. Scott Simon, of NPR, ...