Is the Milky Way harboring dozens of intelligent civilizations?

Are dozens of intelligent extraterrestrial civilizations lurking right in our home galaxy?

According to a new study, there could be more than 30 civilizations capable of long-distance communication here in the Milky Way. This work, led by researchers at the University of Nottingham, assumed that intelligent life not only exists off-Earth, but develops on other planets similarly to how it does on Earth. 

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