Every year for two weeks between mid-May and mid-June, Congaree National Park in South Carolina is home to a fairy-tale-like display of flashing lights. These rhythmic performances happen all because ...

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Whether you call them fireflies or lightning bugs, these glowing little beetles are a quintessential summer experience in the South—so much so that they’re even one of the state insects of Tennessee.

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. This firefly ...

KELLETTVILLE ― 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. This ...

It’s twilight on a warm May evening at the Congaree National Park in Hopkins, South Carolina. A wooden boardwalk weaves through cypress knees, and towering loblolly pines. A viewing platform holds the ...

Nights at Congaree National Park are as inky black as any place in South Carolina. But for a few weeks each year, the darkness is pierced by the synchronized flashing of tiny lightning bugs. The ...