This video dives into the Dyson sphere story that exploded in 2024, when researchers flagged seven stars with unusual ...

Let's just call it the alien megastructure that wasn't. More than 100 researchers have released a study showing that the mysterious star KIC 8462852, better known as Tabby's Star, is almost certainly ...

Tabby's Star, a mysterious dimming star that has puzzled astronomers so completely that the wildest of explanations for its behavior have been proposed, turns out to be a natural astronomical ...

(To get an idea of how big that is, about the 455 United States, lengthwise, could fit inside this alien megastructure.) Any structure built around this star would have to be quite large to block the ...

The mystery of why a distant star keeps dimming continues to baffle scientists, after a new report ruled out several "natural" explanations. The astronomical world lit up last year, after planet ...

This illustration shows a star behind a shattered comet. (Credit: NASA / JPL-Caltech) That mysterious “alien megastructure” star is still a mystery, but the most plausible explanations appear to be ...

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Has an advanced alien civilization built a mind-boggling megastructure around the distant star KIC 8462852? It’s extremely unlikely, but astronomers promised to get to the bottom of the cosmic mystery ...

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A mysterious star whose repeated bouts of darkening might be due to "alien megastructures," according to some researchers' conjectures, may now have more than a dozen counterparts that display ...

Add Yahoo as a preferred source to see more of our stories on Google. Archaeologists in Romania have uncovered portions of an ancient megastructure from around 6,200 years ago. The oak-floor building ...