About 100 people who study ways to prevent injuries, illnesses and death in coal mines are set to lose their jobs in June.

The Mid-Atlantic grid could be stressed by rising temperatures and a surging demand that is expected to outpace the previous ...

Alcoa’s Western Australia division is one of the world's largest alumina producing operations. Some say its decades-old ...

The 100-acre site in Erie County is being reforested through a partnership between the Western Pennsylvania Conservancy and ...

In 1955, 67-year old Emma "Grandma" Gatewood became the first woman solo thru-hiker on the Appalachian Trail. She would go on ...

After 17 years underground, Brood XIV cicadas have started emerging to breed in parts of the United States, including ...

Some residents say toxic dust from Alcoa's three sprawling industrial facilities along the southwestern coast of Australia is ...

With its new trail and discovery space in Frick Park, Pittsburgh Parks Conservancy aims to create an inclusive outdoor ...

The data will help guide the conservation efforts at Raystown Lake, including managing invasive species. iNaturalist ...

Former DEP secretary David Hess says a Senate bill is meant to punish communities that try to protect their health and ...

A new outdoor recreation area in a Pittsburgh park is meant to include people of all abilities. When hikers make it to the halfway point on the Appalachian Trail in Pennsylvania, there’s a tradition ...