It's not easy counting fireflies. Across North America, there are an estimated 170 fireflies species, which are technically beetles in the order Coleoptera, but inventorying them is a challenge. While ...

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.

Fireflies, also known as lightning bugs (or even glowworms) are a part of the Lampyridae family that produce a glowing light from their abdomens. It’s not magic—their famous glow by is an example of ...

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Iowa natives likely have a memory of seeing rural Iowa lit up by fireflies during the summer months; however, this tradition could be changing. There are more than 2,500 species of fireflies across ...

It’s not easy counting fireflies. Across North America, there are an estimated 170 fireflies species, which are technically beetles in the order Coleoptera, but inventorying them is a challenge. While ...

No doubt over the years you’ve spotted a few fireflies lighting up your backyard. Or seen a swarm of them, sometimes called a “sparkle,” on your way back from a walk in the woods. Fireflies — or ...

You may have collected them in a glass jar when you were little. Or inadvertently saw one blinking its bright little light across the summer sky as an adult. People in New Jersey are no strangers to ...

It looks like a scene from a fairytale. Over the past few decades, firefly population have been declining due to factors like light pollution, pesticides, and habitat loss. Now there's a ray of hope: ...

Fireflies are lighting up summer evenings across the U.S. Northeast, putting on dazzling shows in backyards and city parks. There's no official count, but experts say a particularly wet spring may ...