Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

In the 1960s, physicist Freeman Dyson proposed that advanced alien civilizations could be building enormous megastructures around a star to harness its energy. Such a move would allow a civilization ...

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The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

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

The video ranks the wildest alien megastructure ideas, from famous Dyson spheres to black-hole planets, ring worlds, star-moving engines, and planet-wide cities. Some concepts fall apart because a ...

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James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...