There are a variety of sites online with detailed information about moons and rings in the solar system.
Solar System Exploration includes intriguing information on Jupiter's large Galilean Moons and Saturn's icy moons and rings.
The Explore! Marvel Moon site includes detailed information about Earth's Moon: its formation, evolution, phases, and more.
The Astronomical Society of the Pacific has The Moon: A Resource Guide, which provides suggested websites, books, and articles about our Moon, ranging from the science, phases, missions, and more.
Moons and Rings Videos
Poles of the Moon: Microenvironments (Intro Slide Only)
Water on the Moon
Ice -- Lots of Ice
Basins and Early Lunar History
New Views of Apollo and Luna Landing Sites
Conclusion and Question
Lunar E/PO Resources