Video: We asked a NASA scientist—do aliens exist?

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Do aliens exist? Extraterrestrial life has never been discovered. However, that doesn't mean it doesn't exist.

At NASA, astrobiologists like Dr. Lindsay Hays are trying to answer one of the most profound questions ever: Is there life beyond Earth?

Credit: Science@NASA

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Citation: Video: We asked a NASA scientist—do aliens exist? (2021, September 9) retrieved 20 September 2021 from https://phys.org/news/2021-09-video-nasa-scientistdo-aliens.html
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