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…
The Postal Service is issuing two Forever stamps that are perfect for mailing anniversaries, birthdays, proms, and other life-celebrating invitations enclosed with RSVP cards. The…
The United States Postal Service will issue a four-stamp set celebrating popular Christmas carols on the opening day of the American Stamp Dealers Association’s Fall…