The following websites offer information about the objects in our solar system.
NASA Solar System Exploration Website (new window): Our planet, moons and celestial bodies pages offer a complete overview of our solar system.
Year of the Solar System Topics Page: This page offers quick access to the topics of the Year of the Solar System.
This non-NASA site also provides useful information about our solar system, although information such as moon counts may not be fully up-to-date.
Exploring the Planets: A detailed look at the characteristics of our solar system neighbors.