Heaven’s Gate believed the Earth was about to be wiped clean. Their leader convinced followers that a spacecraft was hiding behind the Hale–Bopp comet, waiting to take them to a higher level. In a ...
Little-known Danish contactees claim extraterrestrials have been speaking to Europe for centuries, from a mysterious 1600 ...
Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...
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