science

Are aliens real?



Are aliens real? 

It’s a good question. There currently isn’t any evidence for life on other planets, but the universe is a big place, and it seems unlikely that out of the trillions of planets presumed to exist in our 13.8 billion-year-old universe, only Earth has ever hosted life. (This disconnect between the vastness of the universe and the lack of evidence for alien life is known as the Fermi Paradox). Thus, the search for extraterrestrials is a serious business, and scientists are getting increasingly savvy about how to look for ET. 



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