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

Conceived as a broad public service, the postal service was key to US independence, Western expansion and ensuring an informed citizenry.

The U.S. Postal Service is launching a set of four "SpongeBob SquarePants" stamps on Aug. 1. A sheet of 16 stamps will be $16.

Sending mail soon? You may want to stock up on stamps. The United States Postal Service appears to be on track to raise the first-class Forever Stamp price as well as for other products in just over ...

Sending mail soon? You may want to stock up on stamps. The United States Postal Service appears to be on track to raise the first-class Forever Stamp price as well as for other products in just ...

The United States Postal Service (USPS) has unveiled its latest addition to the annual Lunar New Year stamp series with a vibrant nod to the Year of the Snake. It will be available for purchase ...

The United States Postal Service (USPS) is celebrating the three original branches of the military by releasing special 250th anniversary stamps. The special edition stamps will be decorated with ...

The United States Postal Service (USPS) is celebrating the three original branches of the military by releasing special 250th anniversary stamps.

The U.S. Postal Service today announced two stamp issues to celebrate its 250th anniversary — one of which is only available in an exclusive booklet.

The U.S. Postal Service is seeking a rate increase this summer that includes hiking the cost of a first-class stamp from 73 cents to 78 cents.