A surprise congressional standoff remind us that big, discordant change could be coming.

© Philotheus Nisch for The New York Times

A surprise congressional standoff remind us that big, discordant changes could be coming.

No matter how many official voices declare there is no drone emergency, conspiracy theories continue to flourish. We’ve been here before.

© Dave Sanders for The New York Times

Opinion writers discuss potential legal issues and executive power in a second Trump term.

© Shoshana Schultz/The New York Times

The Drone Age is already upon us and the skies are going to get a lot more crowded.

Opinion writers discuss potential legal issues and executive power in a second Trump term.

A Pentagon spokesman said the increase was unrelated to the fall of President Bashar al-Assad to rebel forces in early December.

© Lolita Baldor/Associated Press

Corruption investigations may have shaken Beijing’s confidence in top commanders, but China’s military expansion hasn’t slowed, a report found.

Americans have counted on the indispensability of a constitutionally alert military. Will that continue?

Hegseth, too, wants to fight the “enemy within.”

Readers discuss what one calls a “boom-or-bust precipitation cycle.” Also: Pete Hegseth’s mother’s accusation; what opera needs; Elon Musk and Mars.

The devastating outcome of the 1983 game reveals that nuclear escalation inevitably spirals out of control.

Pentagon officials discuss whether the flow of assistance could be hurting the military’s ability to respond to a new conflict.