The F.BI. and local law enforcement gave no details about the note, which came on the sixth day of the search for Ms. Guthrie, the mother of the “Today” host Savannah Guthrie.

The video clip that President Trump posted in a late-night flurry of social media activity caused an unusually strong and public outcry from members of his own party.

Mr. Hegseth’s order appeared to target his alma mater, Harvard’s Kennedy School for public policy.

Regulating the industry is useful. Shaming it is crucial.

Cory Doctorow and Tim Wu explain why the internet failed to live up to its early promise.

Here is our critic’s survey of this year’s Super Bowl commercials, from best to worst to A.I.