Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Postal Service is celebrating its 250th anniversary this weekend, and you won't have to check your mailbox for the invite ...

The Smithsonian’s National Postal Museum is hosting its summer Guest Artist Program with stamp artist Katie Kirk. From June through October, five free programs will offer visitors of all ages ...

The Smithsonian’s National Postal Museum will host the 21st Maynard Sundman Lecture Wednesday, Nov. 20, at 4 p.m. ET at the museum and also online on Zoom. Admission is free, but registration is ...

For over two and a half centuries — through rain, snow and gloom of night — the U.S. Postal Service has been delivering. Turning 250 years old this week, the Postal Service is older than America ...