President Trump is endorsing candidates in a series of primary elections this month, trying to defeat incumbents in his own party who have crossed him. Our national political correspondent Shane Goldmacher explains.

The historian Helena Rosenblatt traces the roots of liberalism and the values that many have forgotten.

Ohio’s unusual contest — with a little-known incumbent and a well-known challenger — shows how Democrats are hoping to capitalize on G.O.P. voters’ anger at the Jeffrey Epstein scandal.

A New York Times reporter joined a group of cyclists on a route meant to break down Cape Town’s lingering racial and economic barriers.

Doctors say that the virus, which is rare, can quickly progress from flulike symptoms to something far more serious.

The health secretary has long complained that Americans overuse psychiatric medications. New policies he is introducing aim to change that.

The Washington Post won the award for public service, considered the most prestigious of the Pulitzers, for its coverage of the Trump administration’s overhaul of federal agencies.

The photographer Saher Alghorra reported on the Gaza conflict while enduring the dire conditions his images portrayed.