Whedon and several stars from the show will appear for a panel at Comic-Con.
Google's new social networking service Google+, Brian Cox goes from punk rock to astrophysics, classic American photography, and more recommendations.
James Lee, who police say was responsible for the Discovery Channel hostage crisis in Silver Spring, Md., Wednesday, was shot and killed. Lee has said human population growth imperils the planet.
Academy Award-winning actor Morgan Freeman is going to host a Science Channel program that focuses on space exploration.