EDITOR'S NOTE: An earlier version of this story mischaracterized the extent of the water problems. European Pressphoto Agency (EPA) reports:The gas rush in Pennsylvania, created by the controversial ...

San Francisco--Some of the natural gas harvested by hydraulic fracturing operations may be of biological origin--made by microorganisms inadvertently injected into shale by oil and gas companies ...

Hydraulic fracturing is a process used in nine out of 10 natural gas wells in the United States, where millions of gallons of water, sand and chemicals are pumped underground to break apart the rock ...

Some of the natural gas harvested by hydraulic fracturing operations may be of biological origin -- made by microorganisms inadvertently injected into shale by oil and gas companies during the ...

In just a few short years, shale gas extraction using hydraulic fracturing has transformed the domestic energy landscape, providing billions of cubic feet per day to the nation’s energy supply and ...

Over the past two decades, vast deposits of oil and gas have been unlocked in the United States by a late-20th-century extraction-process innovation known as hydraulic fracturing (also known as ...

Hydraulic fracturing shifts the flow regime of unconventional reserves to transient linear flow, necessitating the use of straight line analysis technique for extracting fracture and reserve ...

Increased awareness about using a highly technical process called hydraulic fracturing to recover natural gas trapped deep within the Marcellus shale has created questions about related human-health ...

U.S. EPA has revised its page about hydraulic fracturing and oil and gas production. The changes went live Friday morning, and the biggest difference is that it’s now titled "Unconventional Oil and ...