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The Dark Matter Enigma
Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to our universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.
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Episode 1: Most Amazing Discoveries
Episode 2: Mystery of Planet 9
Episode 3: Black Holes: The Secret Origin
Episode 4: Secret History of Pluto
Episode 5: Stars That Kill
Episode 6: The Universe's Deadliest
Episode 7: Life and Death on the Red Planet
Episode 8: The Dark Matter Enigma
Now playing
Episode 9: Strangest Alien Worlds