The USPS has released Goodnight Moon stamps celebrating the classic children's book. Find out where to buy them and see event ...

Stamps.com is a licensed vendor of the U.S. Postal Service and UPS. It offers on-demand shipping labels with rate discounts of up to 40%. New account holders receive a four-week free trial ...

The United States Postal Service is celebrating its 250th anniversary with special stamps featuring a familiar face.

The United States Postal Service (USPS) has released a new series of stamps honoring the 250th anniversary of the founding of ...