You might not really be sure you saw what you think you saw when the first one shows up. But you stare in the direction of the flicker of light and there it is again – the first firefly of the evening ...

Fireflies, otherwise known as lightning bugs, are known for their ability to glow at night. According to the Xerces Society for Invertebrate Conservation, fireflies are actually not flies, but are ...

Fireflies, sometimes called lightning bugs, are actually a type of beetle, so they’re not a true fly. In Wisconsin and the Great Lakes area there are about two dozen or more different species of ...

Fireflies, also known as lightning bugs, are known for their ability to glow at night. According to the Xerces Society for Invertebrate Conservation, fireflies are not actually flies, but are a form ...

Remember those glowing wonders you’d catch in your hands on a warm summer night? Whether you called them fireflies, lightning bugs, glow flies or moon bugs, these beautiful bioluminescent creatures ...

DELAWARE SEASHORE STATE PARK (AP) — On a muggy July evening, Delaware state biologist Jason Davis is doing what kids have done for ages: Trying to catch a firefly. It's nowhere near as easy as the ...

I talked with my friend Richard Zack about how and why fireflies light up. He’s an insect scientist at Washington State University. Those glowing insects are a kind of beetle. But we call them ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. This week, Doug called in from Elk, Washington, to ask a question about how ...

Fireflies produce light through a chemical reaction involving two key compounds: luciferin and luciferase. The first compound glows under specific conditions and resists heat, while luciferase acts as ...