Nestled in the Laurel Highlands region of southwestern Pennsylvania, this underground labyrinth is the state’s largest cave system, and boy, does it know how to make an entrance. When I first heard ...

Of the remnants of the past that have been unearthed throughout Montgomery County, most residents are understandably familiar ...

Scientists found millions of Americans may be regularly exposed to dangerous levels of arsenic, and they may not even know it ...

Tucked away in Huntingdon County, Trough Creek State Park showcases rock formations so uniquely spectacular that geologists get misty-eyed just thinking about them, yet somehow this 541-acre ...

Inspired by our friends at Bridge Michigan, we requested your help in crafting a Pennsylvania summer bucket list full of ...

A version of this article appears in print on June 21, 2025, Section A, Page 16 of the New York edition with the headline: Maps Might Be Lost as Cuts Threaten Geological Surveys.

This marks the first confirmed tornado in Clarion County since July 11, 2017, according to the NWS. Just days later, tremors were felt across the northeastern region of the state. A 2.8-magnitude ...

A twister and a tremor shook separate corners of Pennsylvania just days apart, weather officials say. A tornado and earthquake intensity map after both weather phenomena happened within days of each ...