Graphic novelist Chris Ware has drawn a stamp collection to celebrate the United States Postal Service's 250th anniversary.

The USPS filed notice with the Postal Regulatory Commission in April of its decision to increase the cost of a first-class “Forever Stamp,” and the move officially went into effect Sunday. The price ...

Since 1934, sales of Federal Duck Stamps have raised $1.2 billion to conserve more than 6 million acres of wetlands and other ...

SpongeBob SquarePants, the star of the U.S. Postal Service’s newest postage stamps. The beloved Nickelodeon cartoon is the ...