Questions of good and evil, right and wrong are commonly thought unanswerable by science. But Sam Harris argues that science can be an authority on moral issues, shaping human values and setting out what constitutes a good life. [23:27]

The CERES Project allows the nation's classroom teachers to develop "an extensive library of on-line and interactive K-12 science education materials for teaching astronomy." The site features latest news and photos from NASA,...

What's going on with our weather? Learn about it in this lesson plan that examines the climate and weather patterns in the world today. It has a weather quiz and guidelines that help the students understand weather changes occurring...