GRAVITY Main Trailer - Sandra Bullock, George Clooney

The full theatrical trailer for Alfonso Cuaron's sci-fi drama "Gravity" has been released. The film tells the story of Dr. Ryan Stone (Sandra Bullock), a scientist who ends up drifting into outer space after a catastrophic accident destroys a space station. The film also stars George Clooney as Matt Kowalsky, a fellow astronaut and the only lifeline