The magazine’s Ethicist columnist on whether to exclude a player who can’t keep up.

Forty-six hours before Rüdiger Koch officially seized the Guinness World Record for the longest time spent living in an underwater fixed habitat, I took a 15-minute motorboat ride from Linton Bay Marina, in north-central Panama, to visit him. It was …

With diagnoses at a record high, some experts have begun to question our assumptions about the condition — and how to treat it.

President Trump’s trade war is forcing companies to cut costs, raise prices, shrink profits, discontinue products and find other suppliers.

The Trump administration on Thursday accused Harvard University of failing to report large foreign donations to the federal government as required by law, part of a widening effort to target the institution after it refused to comply with President …

For 42 years, Mr. Levy strategized behind the scenes to promote Steven Spielberg’s movies and ensure that the director was seen as Hollywood’s de facto head of state.