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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

A congressional committee is launching an investigation of hydraulic fracturing, the technique drillers use to unlock natural gas in shale formations, asking for data from eight companies that use the ...

A member of a Halliburton crew takes a quick water break at a hydraulic fracturing site for Tidal Petroleum in Karnes County. Working outdoors in the heat, crew members are told to stay hydrated as a ...