The United Nations Postal Administration is issuing new UN Flag stamps on 20 August: Bahrain, Belarus, Brazil, Cyprus, Dominica, Mauritania, Mongolia, and Paraguay.

United Nations stamps are available online at www.unstamps.org and in shops at the UN headquarters in New York, Geneva, and Vienna where the stamps can be used for mailing.

The United Nations Postal Administration is celebrating human achievement at the Red Planet with "Planet Mars," its latest release of postage stamps.

Peace through postage stamps is a half-century success story. The United Nations Postal Administration (UNPA) celebrates its 50th anniversary with the issuance of six commemorative stamps and ...

The United Nations will issue a series of six postage stamps commemorating the 80th birthday of Marc Chagall, the Jewish artist. Each of the stamps will reproduce one section of the stained-glass ...

Photos of the moon captured by American, Russian, European, Japanese, Indian, Korean and Chinese spacecraft are the subject of new United Nations stamps for the 55th anniversary of Apollo 11.

The United Nations has issued three commemorative sheets promoting the protection of endangered species. The sheets depict 12 animals, birds and reptiles, with four subjects on each 16-stamp sheet ...