This Week In Space podcast: Episode 222 — How to Invade Earth in 22 Easy Steps

This week on Space.com's This Week In Space podcast, hosts Rod Pyle and Tariq Malik and guest writer Rich Edwards explore one of cinema's favorite scenarios: the alien invasion. The episode walks through how fictional invaders conquer the galaxy, only to stumble on Earth's weirdest defense mechanisms—microbes, Windows 95, water, and worse. From the nineteen fifties through today, they celebrate decades of invasion tropes, the clever and absurd ways humanity wins, and the overlooked details that topple superior forces.

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