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Life and Death on the Red Planet
Life once existed on Mars, but a series of devastating mass extinctions have made present-day life nearly impossible. The latest science shows how Martian life keeps bouncing back as it transforms from a watery world like Earth into a desert planet.
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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
Now playing
Episode 8: The Dark Matter Enigma
Episode 9: Strangest Alien Worlds