Author David Paulides has said that a number of disappearances in national parks cannot be explained.
The Why Files on MSN
The secret tape that proved an alien abduction really happened
In 1973, two Mississippi shipyard workers went fishing—and ended up paralyzed aboard a spacecraft. Calvin Parker and Charles ...
In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with ...
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