The U.S. Postal Service today announced several new stamp issues to be released later in this year, along with dates and locations for many of the announced stamps. These designs are preliminary and ...

Before you mail out that wonky-sized birthday card or lumpy wedding invitation, you should check if it costs more. For envelopes that are square, bigger than usual, aren't flat or shaped weird, you're ...

The first known piece of mail sent using a prepaid stamp — “one of the greatest leaps forward in human communication” — could fetch between $1.5 million and $2.5 million when it comes up for auction ...

ATLANTA – There will soon be a new spot to honor former President Jimmy Carter: the corner of an envelope. The U.S. Postal Service will start selling a Forever stamp commemorating Carter on Oct. 1, ...