Website for the PBS series "A Science Odyssey." Numerous opportunities to explore the people and discoveries of science.

Kids learn about the constellations in the science of astronomy. These stars that form patterns when viewed from the Earth have been studied since ancient times.

Kids learn about the timeline of the history of space exploration including early astronomy, astronauts, spacecraft, planets, and the Moon.

Learn more about Hypatia when you check out this resource. This site features a picture and a brief synopsis of this famous scientist.

Read about the history of the original space camp at the U.S. Space & Rocket Center in Huntsville, Alabama. Find out the lasting impact of space camp on alumni who attended this camp as children.

Describes the collection of 1.2m millimeter wavelength radio telescopes that are operated by the Millimeter Wavelength Group at Harvard Smithsonian. It details some history of radio astronomy and of the telescope itself, gives great...

A profile of the ancient Greek mathematician, geographer, and astronomer, Eratosthenes. Looks at his many accomplishments, including measuring the circumference of the Earth and the distance to the Moon and the Sun. Includes links to...

Events of Rene Descartes' life are presented in a timeline form. The biographical information is taken from "A Short Account of the History of Mathematics" by W. W. Rouse Ball (4th Edition, 1908).

A great science project from Science Buddies that examines how ancient peoples navigated without the benefit of a GPS. Find out which stars are important in navigation in the northern and southern hemispheres. The Science Buddies project...

Lowell Observatory homepage describes the history and current work done at the Lowell Observatory. Contains basic information about the telescopes and the results of work done by staff scientists. It is a national landmark.

How big is a billion? Find out some interesting facts about our galaxy, the Milky Way, and its billion stars.

If you look up at the sky on a clear night, you may see a red dot among the stars. This dot is Mars, named in ancient times after the Roman god of war. Although no one has ever visited this red planet, we know a lot about it. This site...

What makes science fiction so exciting? Read some examples of the genre and then create your own science fiction story about space travel. Use the supplied "travel guide" to generate ideas and structure your plot.

Use this site to explore the United Kingdom. Learn about the UK's flag, geography, map, explorers, animals, scientists, explorers and more.

A virtual journey through space offers photos and facts about Earth and its neighboring planets, comets, other celestial bodies of the Solar System, and the Milky Way and Andromeda galaxies.

Find out about the life and work of the father of the Big Bang theory, Georges Lemaitre. This article describes the origin of the cosmology theory and its growing acceptance among scientists. This is an excerpt from COSMIC HORIZONS:...

Edward Mills Purcell was an American physicist who received half of the 1952 Nobel Prize for Physics for his development of a new method of ascertaining the magnetic properties of atomic nuclei. Known as nuclear magnetic resonance...

Kids learn about astronomy, the study of outer space including the stars, planets, comets, black holes, and the Solar System. History and astronomers in this astronomy for teachers and kids section.

Not much is known about the life of Eudoxus, a famous Greek mathematician. This is a brief description of what we do know about him.

PBS offers a brief history of the discovery of quasars and the people involved.

An easy-to-read description and history of Ptolemy's geocentric model of the universe. Geocentric means that Ptolemy believed the Earth was the center of the universe.

Dust, a common and usually minor problem on Earth, presented a major challenge for the Apollo astronauts on the Moon. Here's an interesting solution created by the Apollo 17 crew.

Includes a short summary of the life and work of the Greek philosopher Thales of Miletus. Discusses his life, work in Astronomy and Mathematics, and view of water and pantheism. Also includes a couple of quotations that make reference to...

This is a photograph of Charles M. Duke, Jr. collecting rock samples at the Descartes landing site. Duke stands by Plum Crater while the Lunar Roving Vehicle waits parked in the background. The Lunar Roving Vehicle allowed the astronauts...