U.S. oil major Chevron plans to increase the use of a technique that allows it to fracture subterranean rock in three wells ...

The cause of the rupture and the total volume of oil released after the North Dakota spill remain unclear, officials said.

The latest leak in the Keystone oil pipeline in North Dakota on Tuesday continues the troubled history of the 15-year-old pipeline ...

Chengdu University of Technology-led research has established a high-resolution astrochronological framework spanning ...

The company missed out on some deals last year because of high asset prices but is still looking. “We’ll get our elbows up,” ...