The Trump administration says the U.S. will release 172 million barrels of crude oil from the Strategic Petroleum Reserve.

NPR's Ailsa Chang speaks with Sam Vigersky, an international affairs fellow at the Council on Foreign Relations, about the humanitarian impacts of the war in Iran.

If you thought it has been unusually warm this winter, you are right. Much of the Mountain West has seen record-breaking heat since December - a trend that’s expected to continue into spring. Winter ...