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Discovery NASA: Methane in Space (2:11)
From the NASA Video Vault on Discovery.com: Methane, a building block for life, has been discovered for the first time on a planet 63 light years away from Earth. James Williams researches the implications of the find.
How Stars are Born and Die (5:24)
Watch this NASA "Hidden Universe" video showing how stars are born and how stars die. Learn how the Spitzer Space Telescope is able to use infra-red technology to see far into distant galaxies.
Big Bang Discovery (2:10)
Learn how we discovered the expanding universe and its origin in the Big Bang. Learn more about the Big Bang in this video.
Shape of the Universe (2:34)
Learn about the forms and contours of the universe.
Could a Black Hole Destroy the Earth? (2:08)
Some black holes move from place to place, and one could destroy earth. Learn more about black holes in this HowStuffWorks video.
