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

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

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

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

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

A snail in a pale yellow shell oozed along the forest floor one morning; a long glistening salamander, livid red and covered with brown spots, soaked in the dew. There were plenty of deer bounding ...

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

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 ...