For much of this week, President Trump was consumed by a single question. What should he do about his national security adviser, Michael Waltz? “Should I fire him?” he asked aides and allies as the fallout continued over the stunning leak of a Signal group chat set up by Mr. Waltz, who had inadvertently added…

A 35-year-old woman and two of her children, who were taking a walk, were killed on Saturday afternoon in southern Brooklyn after two cars collided and one veered into a crosswalk, the police said. The identities of the victims have not yet been released by the authorities, but during a news conference on Saturday, the…

Gessen: All of the above. But that wouldn’t be enough. A lot of what you are asking about, Patrick, is already happening. There are protests — Erica Chenoweth, a very interesting political scientist who studies nonviolence, has shown that there are many more protests than there were in 2017, when it felt like the resistance…

In a major bet last summer, Ukraine launched a daring offensive on Russian soil, the first invasion of Russia since World War II. That incursion into the Kursk region stunned Moscow and provided a much-needed morale boost for Ukrainians, but after months of fierce fighting, Russia has recently clawed back almost all of the territory…

A steadfast figure in the anti-vaccine movement who has helped shape Health Secretary Robert F. Kennedy Jr.’s thinking on a possible link to autism has joined his department to work on a study examining the long-debunked theory, according to people familiar with the matter. The new analyst, David Geier, has published numerous articles in the…

King Charles III was briefly hospitalized on Thursday morning after suffering side effects from his cancer treatment, Buckingham Palace said in a statement. The palace said Charles, 76, had since returned to his London residence, Clarence House, and that his public schedule for Friday would be canceled as a precautionary measure. The king announced he…