A bright spot of summer ... of the night sky. It's a question the founders of the Pennsylvania Firefly Festival have been getting a lot lately. "There is often the comment made that fireflies ...

Congaree National Park is renowned for its spring firefly shows featuring Snappy Single Sync Fireflies. They need darkness, ...

While fireflies are most ... artificial lights at night during summer months, lightning bugs will be more apt to flash their lights and mate. Support Dark Sky International, an organization ...

An curved arrow pointing right. Fireflies are a trademark of summer. We're all familiar with their glowing tails, but how do they produce that glow and why do they ...

The change in the night sky is subtle from night to night ... their flashing light patterns. At dusk in the summer, large numbers of fireflies gather for just a few weeks every year and can ...