In more than 10 states, laboratories or doctors must notify the state health authorities of each positive test for a marker of the syndrome.

The U.S. space agency launched a lunar flyby Wednesday, but Beijing is pursuing its own space program with formidable focus. Here’s what we know about it, in photos and videos.

Trump officials have faced dozens of lawsuits over their aggressive efforts to force change in universities and school districts. Now Trump lawyers are taking schools to court.

The investigation comes as administration officials have fielded complaints about how Kristi Noem’s top adviser, Corey Lewandowski, dealt with companies seeking federal contracts.

An autopsy showed that the man suffered dehydration and hypothermia after Border Patrol agents dropped him off on a cold night in Buffalo. Gov. Kathy Hochul condemned their actions as cruel and inhumane.

President Trump has not made a final decision, but he has floated the idea of replacing Ms. Bondi with Lee Zeldin, the E.P.A. administrator.

Ms. Bondi’s critics inside and outside the administration say she has made unforced errors that have turned the Justice Department’s handling of the Epstein files into a political crisis.

Here are images from Iran, Israel, Lebanon and elsewhere.