The British sculptor Antony Gormley and the Japanese architect Tadao Ando designed an installation evoking the ancient Roman dome. Building it was complicated.

© Chang W. Lee/The New York Times

Perhaps gun control and carbon taxes aren’t as popular as they seem.

Fall enrollment is on. Some plans are raising premiums for Part D, which covers prescriptions, by $50 or more per month, while others are lowering them.

© Andres Kudacki for The New York Times

Beijing’s trade curbs and President Trump’s tariff threats show how quickly calm can give way to confrontation between the two largest economies.