SETI has long been trying to search evidence of intelligent extraterrestrial life through monitoring radio signal outside Earth. It also has been focusing to find footprints of aliens outside Earth. As long as there is still no evidence found on the existence of intelligent alien civilization, the concept will remain under the paranormal niche. Meanwhile, cosmologist, physicist and astrobiologist Paul Davies suggests to scientists at SETI project to try finding alien civilization here on Earth. He believes that proving alien civilization could be easier and more viable than finding intelligent extraterrestrial life up in the sky.
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