Students build a working spectroscope to study the nature of light. (Younger students use a prism to learn about the rainbow.) The curriculum includes study guides for various grade groups, PowerPoints to explain...

The new online exhibit, Explore the Universe, is provided by the Smithsonian National Air and Space Museum. The site "presents the major discoveries that have given us our current scientific view of the universe,...

Even though it is said to be a complex art, spectroscopy can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy is producing light, how fast it is moving, and...