It turns out the gloomy spring was good for something. The metro area’s once-dimming firefly population has made a dazzling comeback this summer thanks to the abnormal amount of rain dumped on 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 ...

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.

For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. This natural phenomenon draws thousands of visitors whose ...

Fireflies have long been a staple of summertime, ordinary insects by day that become dancing sparks of light at night. Sadly, their magic is disappearing. One in three firefly species may be at risk ...

Pesticides, habitat loss, and light pollution are threatening firefly populations worldwide, but even in urban areas, some lightning bugs continue to shine. Dot-dash fireflies (Photuris pensylvanica) ...