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Alien Planet: Life Across the Stars (4:08)
Scientists discuss the probability that we are not alone in the universe in this clip from Discovery Channel's Alien Planet.
Roswell UFO (1:41)
There has been much controversy around the alleged 1947 UFO crash in Roswell, New Mexico. Learn more about Roswell in this video on HowStuffWorks.
What Are the Odds? Aliens (2:48)
What are the odds that extraterrestrial life exists? Learn more about life on other planets in this video.
Aliens (2:49)
What are the odds there is extraterrestrial life in outer-space?
Mysterious Meteorite Crater Sickens People (0:44)
Watch this video showing how a mysterious meteor crater in making people sick in a small village in Peru. Residents of a Peruvian town near Lake Titicaca experienced headaches and vomiting after they approached a crater left by a meteorite this... More »
