Friends of Blue Spring State Park hosts firefly nights, an event that raises money and allows guests to stay after the park ...

Red light, unlike an ordinary white-light flashlight, won’t affect your vision once your eyes have adjusted. It’s also less disruptive to your fellow viewers and the fireflies themselves.

When an editor called to ask if I could photograph a story about fireflies in Mexico, I didn’t check my schedule before I said yes. I’d seen these insects light up the forests in Tlaxcala once ...