Images taken by orbitting satellites show geographical features in unexpected ways. Some can be downloaded as screensavers.

A photograph made from several views of the whole world, showing city lights and areas of greater population. From NASA's Astronomy Picture of the Day series.

A real-time satellite view, where the visible-light image is updated every 3 hours.

A collection of photographs taken from various spacecraft, as well as captions, and quotations from the astronauts.

Pictures taken from satellites of the Goddard Space Flight Center show hurricanes, fires and melting icecaps. Arranged in date order.

A NASA sponsored program that provides photographs taken from the Space Shuttle and International Space Station. Explains how select middle schools request images based upon their classroom investigations.

An interactive picture of current weather conditions over the whole earth. Viewers can zoom and enhance the image.

Explains the SeaWiFS project by NASA, which uses satellites to learn about the condition of the oceans. Includes digital and colour images, with examples of the way the information is used.

Features the latest news on missions and satellites of the European Space Agency, with images and animations from previous journeys.

A searchable collection of pictures taken from 1961 to the present, with captions and background information.

A searchable collection of NASA photographs and animations, grouped according to location, land use and environmental issues.