Actress and daytime TV show host Oprah Winfrey has built a multimedia empire including a production company, magazine, and book club. View More
While most opposition to animal testing is based on moral concerns, some feel that differences between species make test results unreliable. View More
A tornado is a rapidly spinning column of air formed in a severe thunderstorm that can cause extreme damage. View More
Republicans and Democrats both think problems exist within the health care system; disagreement centers on how to resolve those problems. View More
July 20, 1969 began a bold new era in exploration and the people of Earth saw the Moon in a way they had never seen it before. View More
