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 ...

You don’t have to wait until July to see the sky light up with an inspiring spectacle. Like Independence Day fireworks, this show is sure to inspire oohs and aahs all around. The synchronous fireflies ...

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.

Synchronous fireflies at Grandfather Mountain during the Grandfather Glows event in Linville, on June 25, 2022. Research on Grandfather Mountain has confirmed 10 species of fireflies or illumining ...

It begins as random flashes of greenish-yellow light in the night. And then, slowly, something incredible unfolds. A rhythm of pulsating light illuminates Great Smoky Mountains National Park. The ...

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.

FOREST COUNTY, Pa. — It all started as these stories sometimes do—by accident. “We didn't know that they were on the property,” said Peggy Butler who, along with her husband Ken, lives on a rural ...