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 ...

Watching fireflies is one of the singular pleasures of a warm summer night. Many of us have fond memories of watching them flit about and even catching them in a jar to observe their flashes more ...

The New Canaan Land Trust Firefly Sanctuary at dusk in New Canaan, Connecticut, on July 9, 2025. It’s a quintessential summer scene. Fireflies light up the night sky while children and adults revel in ...

Fireflies at Congaree National Park flash in unision in this file photo from 2016. Only a few lucky winners get a chance to see the natural light show each year, which is currently protected by the ...