Top 20 Best Alien Documentaries Welcome to WatchMojo, and today we’re counting down our picks for the most captivating documentaries and docuseries that cover the fascinating possibilities of visits ...

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Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...