Life in the Cosmos
While some scientists scan the skies for signs of intelligent life, others investigate the possible composition of alien life-forms--and how we might communicate with them.
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Building the Universe
Deep under Geneva, the Large Hadron Collider might offer clues about the Big Bang; meanwhile, investigators probe the origin of the planets and the makeup of stardust.
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Seeing the Universe
Using state-of-the-art technology, telescopes provide spectacular views of the cosmos and even offer a glimpse back in time to the universe's earliest light.
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Space Exploration
Today, astronauts train in the Utah desert for a possible mission to Mars, scientists keep tabs on a deep-space probe, and engineers test new ways to escape Earth.
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Violent Universe
Space is anything but placid. Explosions rock the cosmos constantly--some at the very edge of space, and others unnervingly close to home.
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Other Worlds

Wed, Dec 31, 1969
As the search continues for an Earth-like exoplanet, new technology offers a better understanding of the moon and other bodies inside our own solar system.
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