Chien-Shiung Wu (May 31, 1912 – February 16, 1997) was a Chinese-American experimental physicist. She is best known for her work in nuclear physics and…
WASHINGTON, DC — The U.S. Postal Service issued the Bugs Bunny commemorative Forever stamps today, the character’s 80th birthday. The Bugs Bunny stamps were dedicated…
The California dogface butterfly (Zerene Eurydice) is only found in California and was designated as that state’s official state insect in 1972. The male butterfly…
These colorful square non-machineable surcharge colorado hairstreak stamps were developed in collaboration with the greeting card industry. Its uses are on irregular-size envelopes. Such as…
The U.S. Postal Service honors pioneering marine biologist Eugenie Clark (1922–2015) with the release of a new commemorative stamp. Affectionately known as the “Shark Lady,”…
The Florentine Madonna and Child stamps will be issued nationwide on Oct. 18, welcomed with a noon first-day ceremony at the Smithsonian National Postal Museum,…
George Morrison (1919-2000) is considered the grandfather of Native modernism. A member of the Minnesota Chippewa tribe and the post-war abstract expressionists, he blended his…