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

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

The newly discovered interstellar object 3I/ATLAS could be a piece of "possibly hostile" extraterrestrial technology in disguise, according to controversial research from a small group of scientists, ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill. When ...

Scientists blast the idea that consciousness is confined to human or animal brains in a provocative new paper published this ...

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A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

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An advanced alien civilization may want to cruise around the galaxy, and the best way to do that is by steering their binary star system, a researcher proposes in a new paper. Long-lived civilizations ...