Firefly season peaks in July. Here’s where to spot them in and around Philadelphia — and why you may be seeing more of their ...

Photuris pensylvanica — better known as the Pennsylvania firefly or, as most Philadelphians call it, the lightning bug — is out in full force this summer. Reports that central and rural parts of the ...

The most recently designated state symbol is Pennsylvania’s Official state amphibian. No, it’s not a frog or toad, it’s a ...

The global firefly population is on the decline, but a scientist at Michigan State University said she has seen more fireflies in Michigan this year.

The flickering fields of summer nights are back. Fireflies, it seems, are abundant again. Throughout the region, people are ...

Reports of fewer fireflies in recent years have sparked worry for the future of the insect’s population. More sightings this summer have boosted hopes for the survival of the insect.

For Star subscribers: A small population of native synchronous fireflies has been documented for the first time at Saguaro National Park, much to the delight of bug experts.

Firefly Aerospace will send up its Blue Ghost lunar lander carrying nearly a dozen experiments from space agencies, companies and universities to discover more secrets about the moon.

As some fireflies face challenges from climate change and habitat loss, little changes can make a big difference.