Asteroids are rocky and metallic objects that orbit the Sun but are too small to be considered planets. Learn more about these mini-planets through asteroid science.

Includes a multimedia tour that provides a history background dedicated to these bodies as well as images that present the actual position of them.

A look at how asteroids came to be discovered, what and where they are, and the potential danger they exhibit for us here on earth.

Provides a definition, a history background and pictures related to these bodies.

Includes information and two pictures related to this topic.

Offers details about a mission dedicated to the exploration of the Eros 433 asteroid.

Provides a summary about this topic and links to other websites with additional information.