CNN.com - Sun Aims Powerful Flares at Earth
Explains what a sun flare is and how it is both similar and different to coronal mass ejections.

Solar Flare Theory
Provides details about the future of solar flare research, with answers to questions such as what they are and why they are studied.

Large Solar Flares Since 1976
A recording and table of some of the largest solar flares since 1976.

The Surface of the Sun - Solar Flares
Explains how solar flares are caused along with some short movies of this phenomenon.