As a younger man, Joe Cicero saw "thousands and thousands of them." Swarms of fireflies put on a soundless fireworks show for him every summer in southern Arizona. The sight of the fireflies flashing ...

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Banner image: Fireflies dance over a field near Sawhill Ponds in Boulder, Colorado. (Credit: Peleg Lab) Owen Martin steps carefully through the knee-high grass growing up around a long-abandoned ...

In Taiwan’s forests, researchers discovered a clever hunting trick by the sheet web spider Psechrus clavis. Instead of immediately devouring captured fireflies, the spiders allow them to glow in 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 ...

Favorable weather conditions, particularly moisture, have led to a thriving firefly population in Pennsylvania this year. The 13th annual PA Firefly Festival, held June 26-28, highlighted the ...