Get to know our little part of the vast universe. Learners read about the common and not-so-common facts about each of the planets in the solar system. The interactive lesson includes a large amount of information as well as a quiz to...

From the birth of a planet to the evolution of the human race, interactive details the 25 biggest milestones that shaped Earth's history

A series of seven instructional, hour-long videos presenting Earth-science topics such as plate tectonics, oceans, climate changes, natural resources, the Sun, and the future of our planet. Closed captioning option provided for each video.

This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.

This PlanetPals.com site provides the "Greatest Earth Day Pages Ever!" Includes activities, teaching aides, earth science and history, and more.

This website provides numerous images of the Earth and moon, shown from various vantage points.

All the planets are competing to see who is the best planet in the Solar System. Read the story in Spanish to learn the results of the pageant. Excellent source of information presented in a fun manner.

Windows to the Universe offers information on the Earth's atmosphere. The site contains links to a weather crossword puzzle and images.

This animation library is a great resource for a diverse list of earth science topics including: tsunamis, land subsidence, magnetic fields, volcanoes earthquakes, floods, and sea level changes.

Facts about the Earth including its orbit, its atmosphere, and its landforms. Includes a discussion question on seasons, with facts about them, and the answer. A linked page covers similar material in a "Level 2" version, and has a...

Use this site to read about planet Earth. See a photo of the Earth from space, and learn quick facts about the earth's atmosphere, axis, and surface.

Basic facts about the planet Mercury including its size, its name, and its atmosphere. Includes a discussion question on its visibility from Earth, with facts, and the answer. A linked page covers similar material in a "Level 2" version,...

Why is the earth just the right temperature to support life? The answer is the greenhouse effect, and you can learn more about it using this resource.

This unit teaches students about the forces that shape planets and help them to evolve. Lessons provide background information and assessments.

Focus is on the hydrosphere and contains the definition as well as characteristics of the ocean and the effect of the ocean on climate.

NASA announces the new Carl Sagan Postdoctoral Fellowships in Exoplanet Exploration, created to inspire the next generation of explorers seeking to learn more about planets, and possibly life, around other stars.

Our solar system is filled with a wide assortment of celestial bodies - the Sun itself, our eight planets, dwarf planets, and asteroids - and on Earth, life itself! The inner solar system is occasionally visited by comets that loop in...

This NASA site provides access to publicly released images from various Solar System exploration programs.

In this site you will find several topics about our planet Earth: remote perception from space, earthquakes and the structure, age and composition of our planet Earth.

A portal to resources on the sun, the Earth's neighboring planets, and the weather in space. Find out why Saturn is the "jewel of the Solar System" and explore what happens when Venus and Mercury make their rare transits across the sun.

This resource provides an article on the Stardust space probe and how it snags burning particles from comets and returns them to earth. Mainly discusses the "Gravity boost," planet earth gave the probe as it began searching for a comet.

As far back as Ancient Greece, people have dreamed about living in space. This resource describes how space station science fiction of the past led to the development of today's space stations.

Contains a small set of images of solar system objects and a series of links to information about all solar system objects. Solar System Tours link to excellent image collections.

After a dramatic introduction to the "Love affair," between Earth and Theia, this site gives support to the claim that the moon was created by a collision between these two planets. Also contains a brief bibliography.