A federal judge has for now halted Robert F. Kennedy Jr.’s biggest vaccine moves, disrupting his push to remake U.S. immunization policy. On Monday, a judge in Boston temporarily blocked ...

Israel says it has killed two senior Iranian security officials in overnight strikes in a major wartime blow to the country’s leadership. Iran, which did not immediately confirm the killings, ...

A suspected meteor that fell from the sky over the Cleveland area shook homes and startled residents who heard a boom that some compared to an explosion. People hundreds of ...