- Astronomy 161: Pluto - Information and images on many different topics.
- Leicester University's Educational Guide to Space and Astronomy: Pluto - Summary data for Pluto and Charon. Includes pictures and links.
- Max Pages: Pluto - General data regarding the position, structure and atmosphere.
- NSSDC: Pluto - Contains pictures taken by Hubble, and links to other interesting pages regarding this planet.
- Pluto, with its Moon, Charon - The planet finds itself at the center of an impassioned debate over its planetary status written by David Holzman, March 01, 2002.
- Pluto: Surface - Images with Hubble Space Telescope.
- Royal Greenwich Observatory: Pluto - Brief introduction to the planet, including much of historical relevance.
- Solar Views: Pluto - Complete guide regarding general and statistical data about this planet and Charon. Includes pictures and links to other related sites. By Rosanna Hamilton.
- The Nine Planets: Pluto - Guide with both general and statistical data.
- The Rise and Fall of Pluto - Describes how Pluto was discovered and why it is considered a problem planet.
- The Solar Space Station - Informative description for this planet with pictures, general data and some brief history.
- Welcome to the Planets: Pluto - Images from NASA's planetary exploration program.
- Windows to the Universe: Pluto - Offers a range of information classified in three graded levels.
