The United States Postal Service warns it could run out of cash within a year unless Congress approves financial reforms.

The U.S. Postal Service will tell Congress on Tuesday it faces a serious financial crisis and will run out of cash in less ...

While we welcome the new year, we'll also be welcoming an increase in the cost of mailing letters and packages. Starting Jan. 21, the U.S. Postal Service will increase stamp prices from 66 cents to 68 ...

Those tiny squares of paper we stick on envelopes hold secrets that would surprise even the most curious minds. From the world's first postage stamp that ...

Anyone who needs stamps might want to head out and grab them before the United States Postal Service's latest price hikes go into effect this weekend. The cost of a "forever" stamp for first-class ...