How many deaths push regulators to act? Coal mining disasters provide one answer.

The U.S. is bombing refineries so small, they could almost fit in a pickup truck.

Eric Holder, Derek Jeter and Hollywood drones: Here's what we're reading Thursday.

If someone owns oil or gas beneath your home, they might displace you to get it.

Scottish independence advocates are banking on the country's oil resources.

The extremist group ISIS finances itself in part by selling oil on the black market

Ultralight oil made by fracking is seeping through cracks in the U.S. ban on oil exports.

100,000 barrels a day are stolen from Nigerian oil pipelines.

Trains increasingly carry crude from oil fields in the middle of the U.S. to refineries on the coasts.

The boom in U.S. oil production has disrupted global oil’s pecking order and caused fractures inside the once all-powerful OPEC.