About 137,000 .50-caliber rounds have been seized since 2012, and of those, 47 percent came from a plant in Kansas City, Mo., Mexico’s defense secretary said.

A Detroit billionaire met with Howard Lutnick, the commerce secretary, hours before President Trump said he would block the opening of a new bridge connecting Detroit to Canada, officials said.

What started as a rebuke of Dr. Attia has become a discussion about his credentials, longevity medicine and whom patients should trust.

A priest from Sacramento. A bar owner from New York. A taquero from Los Angeles. Puerto Rico came alive at the Super Bowl because of hundreds of non-famous performers.

Henry McGowan headed for Europe, showing signs of mental distress. His father, John McGowan, raced after him. This week, the son will stand trial in Ireland, accused of his father’s murder.

After Republican criticism, a group that offers professional resources to judges withdrew a climate science chapter from its Reference Manual on Scientific Evidence.

Michael Reiter, a former Palm Beach police chief, described a 2006 conversation with Donald Trump to the F.B.I. years later, according to a newly released document.

The agency is racing to repeal a scientific finding that requires it to fight global warming. Experts say the goal is to get the matter before the justices while President Trump is still in office.

New documents detail Jeffrey Epstein’s efforts to foster strategic, sometimes reciprocal relationships with Russian officials.