Add Yahoo as a preferred source to see more of our stories on Google. Most insects of this species have soft bodies, though, making it hard to find fossils and trace the origin of the bioluminescence.

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.

A firefly sits on a leaf at a nature area in Columbia. Scientists say loss of wild lands has led to diminishing numbers of lightning bugs over time. There are more than 40 species of fireflies in ...

The famous synchronized fireflies are just one of many types of insects that fall under the purview of national park ...

You might be wondering if fireflies and lightning bugs are the same or different. It is a topic that has sparked debate, yet the reality is that they are the same insect. In fact, these creatures are ...

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 ...

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. This firefly ...

A strange fossil firefly found trapped in amber in Myanmar is shedding new light on the origin of glowing insects, scientists say. Several deepsea fish, mushrooms and insects are capable of emitting ...