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The L-Factor Limits Contact With ET Aliens

The Drake Equation is a fascinating way to predict the chances of intelligent life existing in the universe. It combines factors of how many stars are in a galaxy, how many planets might be around stars, how many of those planets might be habitable, how many habitable planets spawn life, how many life forms achieve […]

Search for Old Intelligence

Our Search for ExtraTerrestrial Intelligence (SETI) programs scan the cosmos for tell-tale electromagnetic traces of other civilizations. They hope to find a beacon announcing the presence of an intelligent species out among the stars, but they also are looking for any signal that might indicate intelligence even though it is not intended as an announcement. […]