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Science Channel

Discoveries of new planets have revealed countless worlds much stranger than Earth; some of these strange worlds don't have stars and others are made out of diamonds.

How the Universe Works

Strangest Alien Worlds

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.

The Dark Matter Enigma

The evolution of life on Mars before a series of cataclysmic events transformed the planet from a watery world to a hostile one; scientists believe life will find a way to continue despite the setbacks.

Life & Death on the Red Planet

The universe is a dangerous place; exploring the deadliest spots in the cosmos; between earth and the edge of the universe, there are a million ways to die; a crash test dummy is on a mission.

The Universe's Deadliest

Exploring the real-life death stars in the cosmos that could snuff out Earth without much effort; the science of the destructive power behind six of the deadliest stars; vampire stars, supernovas and rogue stars.

Stars That Kill

The first close-up images of Pluto reveal secrets; scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface and whether this underground ocean could harbor life.

Secret History of Pluto

Recent evidence could explain how supermassive black holes grow so big; neither dark matter nor cannibalism can fully explain these beasts, but the latest science may finally provide an answer.

Black Holes: The Secret Origin

Scientists have discovered a mysterious ninth planet ten times the size of Earth on the very edge of the solar system; this strange world could have moons with extraterrestrial life.

Mystery of Planet 9

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