The Intuitive Machines IM-2 'Athena' lander has captured amazing views of the moon from lunar orbit. Credit: Space.com | ...

The agency's semiquincentennial will be marked by an event at the Smithsonian's National Postal Museum in Washington, D.C., ...

The United States Postal Service is celebrating its 250th anniversary with two new stamps and a retired stamp voting contest.

The USPS has also released a commemorative sheet of 20 interconnected stamps, dubbed “250 Years of Delivering,” that portray ...

The U.S. Postal Service is turning 250. Saturday’s anniversary comes as the agency faces financial challenges.

Watch this amazing time-lapse of a totality lunar eclipse that occurred - Blood Worm Moon. Credit: Timeanddate.com | ...