James Cameron has shored up his position as king of the worldwide box office. Cameron's 1997 blockbuster "Titanic" sailed beyond the $2 billion mark in lifetime ticket sales, thanks to a 3-D re-release of the film that was timed to the centennial of the ship's sinking. Only one other movie has topped $2 billion, and it's also Cameron's. His 2009 sci-fi smash "Avatar" earned $2.8 billion worldwide. The "Titanic" reissue took in about $100 million this weekend – $11.6 million domestically and a...

Reaching bottom after a 2-hour-and-36-minute descent, the National Geographic explorer and filmmaker typed out welcome words for the cheering support crew waiting at the surface: "All systems OK." Folded into a sub cockpit as cramped as any Apollo capsule, the National Geographic explorer and frilmmaker is now investigating a seascape more alien to humans than the moon. Cameron is only the third person to reach this Pacific Ocean valley southwest of Guam (map)—and the only one to do so solo. Hovering...

Hollywood icon James Cameron has made it to Earth's deepest point. The director of "Titanic," ''Avatar" and other films used a specially designed submarine to dive nearly seven miles, completing his journey a little before 8 a.m. Monday local time, according to Stephanie Montgomery of the National Geographic Society. He plans to spend about six hours exploring and filming the Mariana Trench, about 200 miles southwest of the Pacific island of Guam. "All systems OK," were Cameron's first words...