micdotcom:

Scientists have a theory where aliens might be hiding — and how we could talk to them

At the edges of our galaxy, tens of thousands of light-years away, massive, dense clusters of stars glom together like a humongous interstellar house party. This is where, according to astrophysicists from the Harvard-Smithsonian Center for Astrophysics, we might find intelligent alien life. And in that, lies how we could communicate with them.