Alien life may well exist in a primitive form somewhere in our corner of the galaxy, famed astrophysicist Stephen Hawking said Monday.
Given the size of the universe, it is unlikely that Earth is the only planet to develop some sort of life, Hawking told an audience at George Washington University in Washington, D.C. He added that humanity must embrace space exploration, if only to ensure its long-term survival.
More: http://www.space.com/news/080421-hawking-aliens-space.html