Add Yahoo as a preferred source to see more of our stories on Google. With the shutdown, all federal agencies and services that officials do not deem "essential" must stop working. "Nonessential" work ...

Changes at the U.S. Postal Service are forcing people who rely on postmarks when voting, filing taxes or mailing legal documents to be extra careful when cutting it close to deadlines. Postmarks ...

A new U.S. Postal Service rule on how your mail is handled could affect your ballot, taxes and other time-sensitive deliveries. The rule, which went into effect on Christmas Eve, defines the meaning ...