The U.S. Postal Service is commemorating Colorado's 1876 admission to the United States with a new Forever stamp.

Honor icons like Muhammad Ali and Bruce Lee, and celebrate Valentine's Day and Lunar Year with these new USPS stamps.

Boxer Muhammad Ali once joked that becoming a postage stamp would be "the only way I'll ever get licked.” Now, his very own stamp is days away from release. A commemorative U.S. Postal Service stamp ...

Yellowstone’s "secret" century-old Old Faithful stamp is available only by request and may be the last of its kind. Before ...

The USPS is honoring Phillis Wheatley, an important literary figure in Colonial America.