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Are Black Holes Real?
New discoveries are challenging everything we know about black holes, and astronomers are beginning to question if they even exist. The latest science tries to explain how they work and what they look like, despite the fact we've never actually seen one.
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Episode 1: Are Black Holes Real?
Now playing
Episode 2: Twin Suns: The Alien Mysteries
Episode 3: Dark History of the Solar System
Episode 4: Death of the Milky Way
Episode 5: Uranus & Neptune: Rise of the Ice Giants
Episode 6: Secret History of Mercury
Episode 7: The Quasar Enigma
Episode 8: Strange Lives of Dwarf Planets
Episode 9: War on Asteroids
Episode 10: Mystery of Spacetime