Globular clusters, compact groups of about a million stars that move around together in galaxies, are among the oldest objects found in the universe. Since they are found most galaxies and since they've been around for so long, globular...

Site provides the article, "NASA Detects One Of Closest And Brightest Gamma Ray Bursts." Provides links to learn more about gamma rays and black holes as well as other resources.

An activity for students to make connections between the universe during threshold 2 and the universe today. Students will learn that there are similarities in conditions that existed during threshold 2 with conditions that exist today.

Amazing Space promotes the "science and majestic beauty of the universe for use in the classroom." Here you can find learning activities, lesson plans, teaching guides, and helpful tips for students eager to learn about space and space...

Provides a general overview of spiral galaxies, including descriptions of the different classes of spiral galaxy.

Provides a general overview of comets, asteroids, and meteorites. Content includes ways to identify them in the night sky, as well as detailed information on each type of small body.

A detailed look at comets. Content outlines our observational history, as well as the origins of comets and an explanation of the appearance of comets.

Describes the red giant star's development stages and the scenario of our sun as a red giant. Diagrams are used to present the information.

Describes how a star becomes a red giant, the structure of a red giant, core-helium fusion, lifetime predictions, and the position on the HR diagram.

This is an online photocopy of the original text of the children's book The Storyland of Stars by Mara L. Pratt (1892). This is an illustrated, nonfiction book about astronomy and the stars from Young Folks' Library of Choice Literature.

This site from the University of Arizona provides a very thorough information on chrinoidea, including diagrams and pictures.

An infograph that discusses how new chemicals were formed during the formation of the universe.

Here are 3 articles about the American Dog Tick, Bat Tick, and the Lone Star Tick. Each includes descriptions, life cycles, and ways to control them as pests.

Presents historical and current images of state, federal and related flags including The Stars and Stripes, other United States federal flags, Flags of the Revolution, and Flags of the Confederate States.

Background information on gamma rays and the sources of gamma rays in the universe. Discusses the purpose of the GLAST space mission and the types of findings which they wish to make. A link to the GLAST movie provides an excellent...

This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.

A large collection of information about and photos of the starts and constellations in the sky.

Create your own fractions using fun interactive objects. Match shapes and numbers to earn stars in the fractions games. Challenge yourself on any level you like. Try to collect lots of stars!

StarChild from NASA defines and describes the Solar System in a simple and easy-to-understand manner. The website is broken down into two versions for the student, grade school and junior high.

This resource discusses advanced giants, super giants, and giant stars. Links in the information provide further information on specific terms.

This database was begun in 1995 by James Heintze, Librarian at American University in Washington, D.C. Its purpose is to bring together in one source selected examples of Fourth of July celebrations that have occurred throughout our...

An interactive site to teach students how rivers are formed, how they change, and why they are important. Cross-curricular activities in language arts, math, science, social studies, and art, some of which include worksheets to download,...

Investigate Edgar Allan Poe's life and work in this multimedia site that goes beyond Poe's writing and looks at how others have responded to his work. Listen to readings of some of Poe's best-known poems and try your hand at imitating or...

Take a virtual tour of the solar system starting with detailed information about the sun.