An enormous rectangular-shaped 'structure' has been spotted on a map of the seafloor, sparking theories that an alien base ...
When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...
If an alien megastructure indeed encircles a star known as KIC 8462852, it's 1,500 years old and no one may be home anymore. Q: What’s the deal with that star that was giving off weird light signals?
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