Marcellus Shale

The company that pioneered Marcellus Shale exploration announced Wednesday that it was voluntarily disclosing the chemicals used to hydraulically fracture its natural gas wells, in an effort to defuse criticism about the process.

The talk inside Giles Evans' sporting goods shop has changed recently...

Chesapeake Energy is putting extra effort into pitching Marcellus Shale development as a clean, prosperous path to energy independence.

A few hundred yards from Louis Matoushek's farmhouse is a well that could soon produce not only natural gas, but a drilling boom in the wild and scenic Delaware River watershed.

A caucus of 37 "green dog" and "hunting dog" legislators is barking mad about a Rendell administration budget proposal that would seek to raise $180 million by leasing more state forest land for Marcellus shale gas well drilling.