Plus, how to attract more lightning bugs to your home.

KELLETTVILLE, Pa. ― Every year in late June, Peggy Butler and her husband, Ken, welcome visitors to rural northwestern Pennsylvania for the chance to glimpse the rare and beguiling Photinus carolinus.

Fireflies are emerging across Pennsylvania. Learn how to attract them and find details on the upcoming festival.

Naturalists report high-density firefly emergence across Ohio following a wet spring. Here are some hotspots to view them.

Summertime in the South is synonymous with the twinkling, light-up beetles that linger in the bushes, on the edge of the woods, or just beyond the lake. Those floating incandescent insects that are ...

Fireflies are lighting up summer evenings across the U.S. Northeast, putting on dazzling shows in backyards and city parks. There's no official count, but experts say a particularly wet spring may ...

You might be wondering if fireflies and lightning bugs are the same or different. It is a topic that has sparked debate, yet the reality is that they are the same insect. In fact, these creatures are ...

Light pollution and habitat loss are hurting fireflies, but experts say you can still find them in the right places.

Fireflies are being threatened in Austin and beyond by development, light pollution, pesticides and drought. But there are still spots in the city where the glowing critters can find refuge.