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 ...

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 ...

Thousands of people have visited Congaree National Park to see the synchronized fireflies in the past. This spring the amount of visitors to the swamp just outside of Columbia will be restricted. Only ...

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 the presence of 10 species of fireflies ...

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 ...

Great Smoky Mountains Natl. Park — Editor's Note: This story was written for the 2022 event. To learn more about the 2023 event, click here. One of nature's greatest light shows will soon return to ...