If the prophecies of a mystic named Baba Vanga are true, Earth is due for an alien invasion any minute now. And she’s not the only one who’s sounded the alarm. Scientists have voiced concerns for years, fueled by credible reports of UFO sightings that suggest we’re far from alone in the galaxy. The only question is, do our interstellar neighbors come in peace? Or with a will to conquer the cosmos… and harvest our planet for their gain?

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