The fringe explanation of 'Alien Megastructures' was just one possibility, with comets as the leading theory. Now that they've been ruled out, is it time to reconsider the fantastic?

Wright admits it's a long shot at best, but figures that targeting SETI efforts on "the most astrophysically inexplicable phenomena" -- and this would surely be one of them -- is a pretty ...

The best he could come up with are the mysterious "fast radio bursts" that have been detected over the past decade or so. ... What it hasn't led to just yet is aliens, or their megastructures.

Astronomers spot seven stars that may sport alien megastructures — but many are skeptical of aliens. Story by Matthew Rozsa • 11mo. ... "And these were the seven best candidates.

The Fermi Paradox Absent Megastructures. Posted: January 9, 2025 | Last updated: ... The best-run city in America, according to data—and see the rest of the 50 highest-rated cities.

None of the data fit any one explanation nicely, whether it was a swarm of comets or alien megastructures. Cosmic dust started looking like one of the best culprits in October 2017.

Best Credit Cards Of 2025. Compare Credit Cards. ... This is where the idea of alien megastructures — once theorized to be the explanation for the dimming of Tabby's star — originally arose.

This star probably isn’t surrounded by ‘alien megastructures.’ ... “The comet-family idea was reasonably put forth as the best of the proposals, ...

These hypothetical alien megastructures are called Dyson swarms or spheres. ... “It’s the best SETI target I’ve ever seen or heard of,” says Wright. [ArXiv via The Atlantic] ...

KIC 8462852, the strangest star in the galaxy, dims and brightens in a way that could be explained by an advanced civilization. But the star's namesake has nixed that idea.

This whole alien megastructures theory started when scientists pored over data collected on Tabby’s star and, ... The best explanation so far is a swarm of thousands of comets, ...

Researchers have identified at least seven stars in our galaxy that may be surrounded by super-advanced alien megastructures, known as Dyson spheres. However, this is not the only explanation for ...