Pierre Bertrand

Argentina's nationalization of YPF, the country's largest oil and natural gas producer, may come back to hurt its energy ambitions, said this month's International Energy Agency oil market report.

Facing a dropoff in cash in recent months, Chesapeake Energy, the second-largest producer of natural gas in the United States, announced last week it got a $3 billion loan from Goldman Sachs, bringing the company's debt to a new record.

The now-familiar call for Washington to lower energy costs by increasing domestic production of oil may not be the most effective policy, according to this month's Congressional Budget Office report on the nation's energy security.

A formerly underdeveloped part of Texas is getting rich thanks to natural gas and oil, to the point that there are more jobs than people available to fill them.

The U.S. oil major is preparing to sell all of its assets in one of Africa's leading producers of crude oil -- Nigeria.

U.S. gasoline is getting cheaper. In the last four weeks, the average weekly U.S. retail price of regular unleaded gas has fallen 4 percent, according to the Energy Information Administration.

Local regulations in New York state will continue to play a part in the issuance of permits for the controversial drilling practice known as high-volume hydraulic fracturing.

The space shuttle Enterprise rides on the back of a modified Boeing 747 jet on Friday, bound for JFK Airport. The shuttle's new home will be Manhattan's Intrepid Sea, Air and Space Museum.

Sen. James Inhofe is launching an investigation of the U.S. Environmental Protection Agency over comments a top EPA administrator made about enforcement of environmental laws.

The Marcellus Shale Coalition Thursday released suggestions it hopes will standardize how the oil and natural gas industry approaches future drilling operations, including the use of the controversial practice of fracking.

The first part in a saga of litigation and claims for damages following the BP 2010 Gulf oil spill is just days away from being finished.

Chesapeake Energy (NYSE: CHK), the second-largest producer of natural gas in the United States, announced on Thursday that it was stopping a controversial program that gave its chief executive officer a stake in the company's wells.

Brazilian oil company Petrobras said Wednesday it will focus on investing in and developing its domestic energy sources rather than immediately invest more in concessions in Argentina.

The debate surrounding natural gas drilling is moving to Michigan, as House Democrats there discuss a new bill Wednesday that adds additional regulation to the state's rules on hydraulic fracturing.

According to a survey released this week, oil and natural gas executives and investors think the price of natural gas will remain below $2.50 per 1,000 cubic feet for the rest of the year -- a level that is too low for the industry's growth.

Kurt Mix, a former BP engineer arrested Tuesday for allegedly destroying evidence in the BP Deepwater Horizon investigation, was released on bail.

Gulf Coast shrimp processors are asking a federal judge to delay final approval of the $7.8 billion settlement between BP and third-party claimants over the 2010 Gulf oil spill.

The first criminal charges stemming from the BP Deepwater Horizon disaster have led to the arrest of a former BP engineer for obstruction of justice.

In a report, the human rights group said the oil company reported vastly inferior figures to what really happened in a 2008 oil spill in the Nigerian Delta.

Spanish oil company Repsol threatened on Monday legal action against any investors helping newly nationalized Argentine oil company YPF develop oil resources previously discovered by the Spanish firm.

The EPA's final verdict is that private water sources in the town of Dimock, to the northeast of the state, do not show levels of contaminants that warrant further concern.

The U.S. Environmental Protection Agency said hydraulic fracturing didn't contaminate private water wells in Dimock, Pa., but that doesn't mean the water is safe, said Ron Bishop, a professor in chemistry at SUNY Oneonta.

Fearing a trade war, a Spanish oil executive is asking Madrid to take a cautious approach to how it responds to Argentina's seizure of two subsidiaries of a Spanish oil major .

Two years after the Deepwater Horizon disaster, a deep-sea biodiversity study suggests residual oil from the BP blowout threatens the stability of the entire Gulf of Mexico ecosystem.

The American Petroleum Institute, the leading oil industry trade group, renewed its call Thursday for President Barack Obama to approve the Keystone XL Pipeline, now that a route change has been proposed.

A study conducted along the Florida coast suggests the Gulf of Mexico is far from decontaminated two years after the Deepwater Horizon oil spill, and that a dispersant used in the aftermath of the spill may be partly to blame.

Exxon Mobil (NYSE:XOM), the largest U.S. oil company, and one of the major players in reviving the Iraqi oil industry, has been excluded from that country's next energy auction amid a dispute between Baghdad and the Kurds.

The House, on Wednesday, passed a bill ordering the issuance of a permit for the construction of the Keystone XL Pipleline from Alberta to the Texas Gulf Coast.

Natural gas companies have until Jan. 1, 2015, to install air emission equipment on hydraulically fractured wells that is designed to capture and prevent toxins and methane from escaping into the atmosphere.