This summer has been a good year for viewing lightning bugs or fireflies because of several weather conditions. Here's what ...

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 ...

Since the solstice occurs so late at night Philly time, is the longest day the 20th or the 21st? The answer: Both. The interval between sunrises and sunsets on Friday and Saturday is just under 15 ...

A study published a year ago in Science of the Total Environment points to various environmental factors that could doom ...

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

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

Beatriz Swanson can remember the first time she saw the blinking glow. She was 10 years old, growing up in Mexico, when two ...

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.

According to Larson, firefly numbers are on the decline. However, it follows a larger pattern with insect life overall.

Whether you call them lightning bugs or fireflies (yes, they are the same thing), many of us enjoy watching the insects light up the evening and nighttime air. But there are a few reasons why you s… ...