Republicans in Congress React to Signal Chat Leak With Collective Shrug

A few G.O.P. lawmakers said they would look into the breach, but party leaders largely tempered their criticism of the Trump administration.

Hegseth Disclosed Secret War Plans in a Group Chat

The conversation among the defense secretary and other national security officials on a commercial messaging app mistakenly included the editor in chief of The Atlantic, Jeffrey Goldberg.

Were the Kennedy Files a Bust? Not So Fast, Historians Say.

The thousands of documents posted online this week disappointed assassination buffs. But historians are finding many newly revealed secrets.