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The millions or billions of planets that make up our galaxy. The search
for extraterrestrial life has helped us uncover hundreds of planets outside our
solar system. Still, none yet harbor intelligent life, nor have we found signs of
intelligent civilizations inhabiting one of the Milky Way’s many billions of
stars — at least not yet. But that doesn’t mean they aren’t there.
Extraterrestrial Life Exists
While we’ve yet to discover intelligent extraterrestrial
life, there are good reasons to believe that alien civilization exists within our galaxy. Scientists estimate that about 100 billion stars exist
in our Milky Way alone. With countless systems and many worlds harboring life,
it seems plausible (if unlikely) that at least one or two may have developed
advanced intelligence.
A Brief History of Earthly Aliens
A giant fleet of alien warships hovered above Moscow,
threatening to wipe out humanity. A gray alien with big black eyes approached
Betty and Barney Hill, abducted them from their car, and probed them with
advanced technology. A humanoid alien with a bulbous head wanted to make first
contact, but what if these aliens were hostile? Could humanity defend itself?
Scientists have yet to discover definitive proof of aliens elsewhere in our
solar system—but they haven’t ruled it out either.
The Search for Extraterrestrial Intelligence (SETI)
SETI is an organization of scientists, academics, and fans
that comb electromagnetic signals from space to search for signs of intelligent
life. Because just because we haven’t been contacted yet doesn’t mean alien
civilizations don’t exist. In fact, some scientists say there could be billions
of advanced civilizations right here in our own galaxy! But how do we know for
sure? And how will we actually communicate with any extraterrestrial bits of intelligence (ETIs)? Let’s find out...
SETI Now
What’s New? This month, we’re presenting information about
some of our favorite topics. Extraterrestrial intelligence (ETI), and evidence
for it, are always near the top of that list. This week, we want to tell you
about a few civilizations that may be lurking nearby...just waiting to be
discovered! But first, here are three things you should know.
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