Sky & Telescope's Almanac showing lots of astronomical information for today. It will show the
current phase of the Moon as well as the rising and setting times for the Moon and the Sun.
It also shows the position and the rise, transit, and setting times for all the planets.
The Nebraska Astronomy Applet Project. This site contains a wonderful set of "applets" or little animated illustrations that demonstrate many of the simple features of astronomy. Items on the site include basic motions of the night sky including the sun, moon, stars and planets, animated models of the solar system including the Ptolemaic and Keplerian models, and a lunar phase model. There are also some more advanced items for the adventurous student.
A directory of astronomy related web sites from The-Science-Lab.com which
lists very large group of science related sites including the area on astronomy.