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

Colorado celebrates its 150th anniversary of statehood in 2026. It became the 38th state in the Union on Aug. 1, 1876.

Stamp collectors are hoping to tap into a renewed interest and school programs to attract new members after watching numbers "shrink" in recent years. According to Glenorchy Stamp Club committee ...

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

People use document stamps to mark documents quickly with information relevant to their creation, distribution or storage. Information stamped on, or embedded in, a document can relay the time and ...

The stamp honors Lunar New Year traditions celebrated by various Asian communities in the U.S.