Dr. Tyson is an astrophysicist and the author of “Take Me to Your Leader: Perspectives on Your First Alien Encounter.” See more of our coverage in your search results.Encuentra más de nuestra ...
Flying discs, metallic orbs, and a mysterious cylinder tumbling past the Apollo spacecraft. Those are just a few of the unidentified anomalous... Is there anything new to learn from the ‘alien files’?
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