Do Aliens Exist? We Asked a NASA Scientist: Episode 5 - NASA
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Do Aliens Exist? We Asked a NASA Scientist: Episode 5 - NASA
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Do aliens exist? Extraterrestrial life has never been discovered. However, that doesn’t mean it doesn’t exist. NASA Astrobiology scientists like Lindsay Hays are trying to answer one of the most profound questions ever: Is there life beyond Earth? | NASA - National Aeronautics and Space Administration
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