Pupils learn of multiple ways astronomers look for planets outside of the solar system. By completing a hands-on activity, scholars discover that trying to see the planets directly because of the glare from the nearby star is nearly...

Calculate the speed of the International Space Station. By reading the article, pupils learn about the concept of orbits. Scholars work through a formula to determine how fast the International Space Station is traveling to stay in...

Hear from deep space. Pupils learn how satellites transfer information back to Earth. They learn about three different ways to modulate radio waves and how a satellite sends information with only 0s and 1s. Using sound, class members...

Break down light into spectra. Scholars learn how atoms emit and absorb photons and come to understand how this process allows scientists to identify different atoms based on either absorption lines or emission lines. Learners then...

Features 10 fascinating facts about the solar system.

Discover interesting facts about Jupiter, the largest planet in the solar system.

Discover interesting facts about Saturn, the second-largest planet in the Solar System.

Discover interesting facts about asteroids, large chunks of rock that were leftover from the formation of the solar system.

An article about the Planetary Science Institutes's advanced computer software, which it uses to model the way the solar system may have formed. Includes some insights into the results already obtained.

Quaoar, the most recent addition to our solar system, has displayed many planet-like characteristics but has yet to be named "the 10th planet." Learn more about the interesting find here. Many links to various sites on Quaoar and the...

Discover interesting facts about Neptune, the fourth-largest planet.

Learn interesting facts about the planet Uranus and its unique history.

Discover interesting information about Pluto, a member of the Kuiper Belt and no longer a planet since 2006.

Discover interesting facts about comets, an icy time capsule left over from the birth of planets.

Describes in detail the devastating storms that occur on Uranus.Also includes an .mpeg movie showing the rings of Uranus up close. (Mar. 29, 1999)

Discover interesting facts about Mars, the furthest planet from the sun.

Discover interesting facts about Venus, the hottest planet and the second planet from the Sun.

Discover interesting facts about the tiny planet Mercury, the closest planet to the Sun.

Discover fascinating facts about meteorites, pieces of asteroids that originate in outer space and survives their passage through the atmosphere to reach the ground.

Learn interesting information about the Earth, the largest of the "terrestrial" planets.

From ABC News in Science, Larry O'Hanlon's article examines scientific evidence which suggests that the death of our solar system will be linked to the collision of comets.

Imagine our weather if Earth were completely motionless, had a flat dry landscape and an un-tilted axis. This, of course, is not the case; if it were, the weather would be much different. The local weather that impacts our daily lives...

Learn what black holes are and the myths that surround them.

Learn about the rings of Saturn.