Big Hero 6 beats Interstellar at US box office

3News NZBig Hero 6 beats Interstellar at US box office3News NZAnimated comedy Big Hero 6 proved to have superpowers in the weekend battle for the box office, fighting off sci-fi epic Interstellar to claim top spot. Big Hero 6, which features a 14-year-old genius and an inflatable robot called Baymax, opened with ...