is any boy out thereAre humans the

is any boy out there

Are humans the only intelligent life in the universe? Or,are we just one of many advanced civilizations out there? While people used to assume we were alone in the universe,we now know that the galaxy contains over 100 billion stars.This fact as led many scientists to think it unlikely that we are the only intelligent life form in the universe.Some of these scientists have devoted themselves to searching for other civilizations.This search is commonly referred to as the Search for Extraterrestrial Intelligence, or SETI