Moscow holds large-scale nuclear exercises a day after Washington postponed plans for a Putin-Trump summit in Hungary.

What distinguishes A House of Dynamite from previous films on nuclear war is that it depicts the onset of catastrophe in “real time,” as experienced by those most directly involved.

Leaders at the Pentagon have significantly altered how military officials will speak with Congress after a pair of new memos issued last week. In an Oct. 15 memo, Defense Secretary Pete Hegseth ...