<div class='quotetop'></div><div class='quotemain'>The presence of the extra-universal matter suggests that our universe is part of something bigger—a multiverse—and that whatever is out there is very different from the universe we know, according to study leader Alexander Kashlinsky, an astrophysicist at NASA&#039;s Goddard Space Flight Center in Maryland.</div>

http://news.nationalgeographic.com/news/20...-dark-flow.html

This means that our universe may not be the only one! :o
More study is needed though, so it could still turn out to be something less exciting.