U.S. Postal Service proposes requiring states to provide voter lists and barcodes for mail-in ballots in federal elections.

Big changes are coming to how the United States Postal Service defines postmarks — a move that could affect anyone relying on ...

If you rely on postmarks when casting your ballot, filing your taxes or paying bills, a new U.S. Postal Service rule makes it clear that you should plan ahead.Related video above: How to Stop Porch ...

When most people drop mail off at a mailbox or at a post office, they assume it is postmarked that same day. But according to a new rule from the United States Postal Service, that’s not the case ...

This story has been updated to add comment and new information from USPS. The U.S. Postal Service has removed a news release from its website where it committed to not moving its Reno mail-processing ...

As of today, USPS said, power has been restored in part of the building and the Postal Service "has a plan in place to restore power fully as quickly and safely as possible." ...