The structure is only the sixth of its kind to ever be found.

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts ...

The scientist who discovered it said it felt "surreal" after making the major discovery. Scientists have discovered a massive ring-shaped structure in space that challenges our understanding of the ...

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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 ...

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 ...

Scientists have now identified a strange slice of Earth deep below the Pacific that may explain why this region is currently creating the world's fastest spreading ocean ridge – the East Pacific Rise.

Back in 2016, headlines all over the world blared with news of a possible "alien megastructure" detected orbiting a distant Milky Way star. Now, a team of Columbia University astrophysicists has ...

(CNN) — A megastructure found in the Baltic Sea may represent one of the oldest known hunting structures used in the Stone Age — and could change what’s known about how hunter-gatherers lived around ...

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When it comes to 4X and grand strategy games, you've got plenty of choice. But perhaps the biggest - certainly the most conceptually expansive - of them all is Stellaris, the long-running Paradox ...