Americans are catching firefly fever — and social media is glowing with videos and photos of the twinkling bugs. The summer ...

Naturalist Stan Tekiela reflects on the summer return of fireflies, their glowing courtship rituals, and ancient evolutionary history.

There are several reasons why some places might be seeing more of these glowy beetles this summer. The first is wet weather.

Lightning bug populations may be on the decline in Illinois and the U.S. Here's a look at why and how you can help.

I remember the Caimito tree adjacent to my grandmother’s house in Dapdap Norte. Its roots spilled like a tangled secret into the earth. At dusk, the air around it shimmered with fireflies, as if ...

The fireflies you see glowing are usually males, and they’re doing it to attract mates. That’s why light pollution is so hard on them, said Lynn Faust, a firefly consultant wh ...

Rainy, damp weather along the eastern United States in summer 2025 has one upside: Fireflies love it.

Due to chemicals, light pollution and other factors, fireflies are dwindling in numbers compared to a few decades ago.

Fireflies may be tiny, but they carry a big message: our actions matter. By making small changes and staying informed, we can ...

Fireflies are harbingers of sweltering midsummer heat, but the regional renaissance is tied to conditions in the spring.

Beatriz Swanson can remember the first time she saw the blinking glow. She was 10 years old, growing up in Mexico, when two ...

Colorado isn't known for its fireflies, but that hasn't stopped the Butterfly Pavilion from doing groundbreaking research on ...