Earth

View a map of the Earth or the Moon showing the day and night regions at this moment.

Explore Earth using satellite imagery, topographic maps and images from other data sources.

View images of the earth from various satellites (3D images, open source, unique features).

Fly anywhere on Earth to view satellite imagery, maps, terrain, and explore galaxies in the Sky.

20 July 2006 - Millions of people jump together every year in order to change the Earth's orbit

New Yorkers go about unaware of what is happening just beneath their feet

Quizzes on Africa, Asia, Australia, Oceania, Europe, North America, and South America.

Learn geography (70 different exercises) Learn about countries, capitals, flags, cities and more.

Journey through the history of Earth, examine the fossil record and stratigraphy.

Current events, news, articles, dictionary, satellite images, careers, reference maps, etc.

Oceanography news, ocean currents, coastal erosion, sea level rising, etc.

Articles that chronicle all aspects of ocean science and its applications.

Effects of climate change, marine biology education, ocean and marine organisms, etc.

Explore data on locations of marine animals and plants, obtain data tables, maps, etc.