Venezuela has the largest share of oil reserves in the world but hasn't been producing or refining it. See the charts.

The United States is considering whether to strike Iran as turmoil intensifies for the country’s authoritarian regime.

Rampant inflation, a collapsing currency and export restrictions have destabilized the country's economy and sparked deadly protests.

An abrupt surge in oil prices could cause inflation to rise and spark volatility in markets. Brent on Tuesday jumped to the highest level since November.

Oil executives and lawyers for international oil companies are lobbying the U. and Venezuelan governments for changes in the OPEC member's hydrocarbon law that would give them the right to ​freely export the oil they produce in Venezuela,

Oil prices slid more than 2% in early Asian trade on Thursday after U.S. President Donald Trump said killings in Iran's crackdown on nationwide protests were stopping, tempering concern over military action against Iran and supply disruption.

A recent U.S. Geological Survey assessment of previously undiscovered gas and oil in Texas' Permian Basin has found that there are enough resources there to fuel the entire nation for months.

Of all the plant-based oils, olive oil has among the highest concentrations of monounsaturated fats and polyphenols. These compounds, particularly one called oleic acid, work to balance cholesterol levels, lower blood pressure and keep the heart healthier over time.