The U.S. Postal Service is turning 250. Saturday’s anniversary comes as the agency faces financial challenges.

The U.S. Postal Service is marking its upcoming 250th anniversary with the release of new commemorative stamps. They include ...

The agency's semiquincentennial will be marked by an event at the Smithsonian's National Postal Museum in Washington, D.C., ...

The one government agency that still reaches nearly every American daily — undeterred by rain, sleet, snow or even gloom of ...

Amid financial problems and workforce reductions, the U.S. Postal Service is celebrating 250 years of history.

WASHINGTON — The U.S. Postal Service on Wednesday marked its upcoming 250th anniversary with the release of new commemorative ...