From the Electronic Universe Project.

Simple explanation of birth, life, and death of stars.

The physical structure of stars, energy generation, mathematical models, main-sequence stars and the birth of stars.

Starclock is a program for DOS that animates the evolution of stars on the HR diagram.

The evolution of stars beyond the main sequence explained in detail.

Stars and the Hertzprung-Russell diagram (where a star's absolute luminosity is plotted against its surface temperature).

The Universe in the Classroom: Basic school lesson introducing stellar evolution metaphorically through a restaurant setting.

The NASA Observatorium's presentation on stellar evolution and extinction of stars.

The complete sequence of events in detail.

A graphical representation of the evolution of stars during their lifetime using the Hertzsprung-Russell (HR) diagram.

Lectures on the main sequence, red giants, stellar clusters and variable stars. Semi-technical.

A detailed look at the evolution of stars from birth to death.