If Dr. Ronny Jackson gave sleeping pills to reporters and staff on long flights abroad, he broke the law, a D.E.A. spokesman said. “You could be prosecuted.”

Women who drank more than two to three cups of coffee a day were more likely to have obese children.

Joseph James DeAngelo’s arrest occurred more than 30 years after the Golden State Killer’s spree ended. Experts cite cases involving murderers whose crimes ceased long before they were caught.

Stocks advanced on Thursday, boosted by strong earnings results and a rebound in technology stocks. Fred Katayama reports.

The U.S. government may start scrutinizing informal partnerships between American and Chinese companies in the field of artificial intelligence, threatening practices that have long been considered garden variety development work for tech companies, sources familiar with the discussions said.

Ford gets ready to stop making cars and Deutsche Bank plans to close up shop in U.S. and Asia. Corporate Makeovers gone wrong?