Other stars, even giant ones like Betelgeuse even when imaged by the Hubble Space Telescope, are just points of light or featureless.

The Constellations: has the Greek myths for the classical constellations and star information.

Stars and Constellations: each constellation is listed with an interactive star chart, information on its position in the sky, and the names of the stars.

Windows to the Universe: good background information on constellations and myths, as well as lots of other relevant background.