The largest oil reserves of any country on the planet, more than 300 billion barrels, are estimated to lie beneath the ground in Venezuela.

U.S. Energy Secretary Chris Wright said Wednesday that Washington will control sales of Venezuelan oil “indefinitely,” a day after U.S. President Donald Trump announced Venezuela’s interim leaders had...

Noem said that both ships are part of a large “ghost fleet” of sanctioned vessels that carry oil from Russia, Iran and Venezuela in defiance of Western sanctions, mostly to customers in Asia.