Hydraulic fracturing, commonly called “fracking,” conjures up all sorts of images in people’s minds, and not all of them are good. Fracking is a controversial process employed by oil and natural gas ...

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 ...

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 ...

EDITOR'S NOTE: An earlier version of this story mischaracterized the extent of the water problems. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.

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 ...

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 ...

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 ...

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 ...

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 triggered a series of small earthquakes in 2013 on a previously unmapped fault in Harrison County, Ohio, according to a new study. Hydraulic fracturing triggered a series of small ...