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 ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. I’m on a Civil War battlefield in West Virginia late on a dark night ...

Learn how fireflies synchronize their flashes — and how that natural coordination could inspire future small‑scale robotics.

Deep in the pitch-black woodlands of Congaree National Park lives a mysterious insect that draws thousands of onlookers each year. The forest is dead quiet at night, aside from the chirping of ...

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You’ve probably seen or heard at least once in your lifetime about fireflies – the famous light-emitting insects! They form the Lampyridae family and are sometimes called glowworms or lightning bugs.

The flash of fireflies is a tiny but powerful sign of summer. These little insects delight young and old. They’re important enough to be Pennsylvania’s state insect, appropriately named photuris ...

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 ...

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 ...