This site provides background information about the relationship between ocean currents and surface winds. There are links to images, JPL missions and instruments, and an El Nino site. Full description.

At the end of 2003, there were 2600 known Near Earth Asteroids (NEAs), and of these 691 are brighter than absolute magnitude, which is taken to correspond to a diameter of 1 kilometer or more. Of these, 131 are classed as PHAs (potentially hazardous asteroids) larger than 1 km. This site describes the potentially devastating effects of a collision between Earth and a large meteor or asteroid. It also ... Full description.

This collection of GOES satellite imagery features still pictures and movies of weather phenomena and landforms. The collection is divided into east and west sectors. A selection of "scrapbooks" archives images from previous GOES missions. Links to news and information are also included. Full description.

The information provided here includes general and technical information, data products, and links for all Landsat satellites and instruments up to the latest, Landsat 7, launched in 1999. Topics include a project description with objectives, orbit information, investigations of technical problems, an image gallery, information on searching and ordering data products, and links to sites that feature ... Full description.

Users can access a selection of technical information and data about earthquakes in the U.S. and around the world. A current worldwide list of earthquakes is available, as are data on geophysical solutions, a catalog search, an automatic data request function, mining seismicity information, and a registry of seismograph stations. Full description.

This website provides access to information designed to protect and prepare individuals from severe weather. Materials presented here include forecasts for aviation and marine interests and the general public, maps, statistical data, educational materials, publications, and links to related sites. Full description.

This database of imagery houses a large collection of satellite images capturing some of the more important weather and environmental events of the last 30 years. Users can access images of many types of storms, fires and smoke, floods, weather fronts, ocean and sea surface phenomena, and snow cover. Full description.

This is the homepage of the U.S. Navy's research lab in Monterey, California. Visitors can access materials on the lab's six major fields of endeavor: marine geosciences, acoustics, oceanography, marine meteorology, remote sensing, and space science. Links are provided to information on the lab's research projects, product demonstrations, a list of publications, collaborative projects in participation ... Full description.

Users can search the large number of the U.S. Geological Survey's web pages with this engine. In addition to the search box (where a key word or title can be typed), the search is further refined by the incorporation of links to categories of topics. The topics consist of resource types such as Fact Sheets or Maps, subjects such as minerals or water quality, or an organizational search on USGS State ... Full description.

This website, produced by the Kennedy Space Center, provides histories of NASA's manned space missions, beginning with the first flights by American astronauts in the Mercury program and proceeding through the latest missions of the Space Shuttle and International Space Station. Each section features mission goals and summaries, descriptions and pictures of the spacecraft, and stories about the astronauts ... Full description.