The imaginary constructions of science fiction fill us with awe at their alien vastness. Which have you explored, and what was the most overwhelming?

Alien-hunters trained massive telescopes on a mysterious star last year after it started ‘dimming’ – hinting that something was passing in front of it. Some people were sure it was the sign of an ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Alien-hunting telescopes have peered at the mysterious star KIC8462852 and are quickly unraveling the theory that this star could harbor an alien megastructure. The search is just the beginning of a ...

A rendering of a potential Dyson sphere, named after Freeman A. Dyson. As proposed by the physicist and astromomer decades ago, they would collect solar energy on a solar system wide scale for highly ...

There's a prosaic explanation for at least some of the weirdness of "Tabby's star," it would appear. The bizarre long-term dimming of Tabby's star — also known as Boyajian's star, or, more formally, ...

Named by some as the ‘most mysterious star in the universe’, KIC 8462852 or Tabby’s Star has been keeping astronomers and the public hooked thanks to the theory that the star could be home to an alien ...

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