The human microbiome is essential to our health, but scientists have only begun to understand why. Two researchers set out to map this largely uncharted terrain.

Doctors described treating brain and abdominal hemorrhages in infants who hadn’t received the routine injection. Several said the images of those patients were seared in their minds.

Researchers have been surprised by the study findings.

Travelers were shut out of major hotels, and work ground to a halt for some on Tuesday after a building partially buckled in Manhattan.

President Trump may not have known what a red card in soccer is, Ronny Chieng said: “But you know what he did know? How to get a guy a pardon.”

The second President Trump landed in Turkey, the center of gravity shifted right to where he likes it best: himself.

Mr. Platner has not yet withdrawn from the race after a rape allegation, but Democrats in the state and nationally are already exploring potential alternatives.

The letters come amid President Trump’s effort to tighten election rules to prevent a problem that doesn’t exist: widespread noncitizen voting.

The former Chicago mayor, a Democrat exploring a 2028 presidential run, is in Tel Aviv calling for an end to unconditional U.S. support of Israel.

The ruling cast serious doubts on the department’s efforts to reinvestigate the race, finding that it was too late to bring criminal charges in the case.

Federal officials said they would withhold some money unless states pursue paper ballot systems, verify citizenship and conduct costly audits.

Many historians have recently seen it as a tame, even disappointing affair. But in the Trump era, the old question of its radicalism is taking on a fresh charge.