If you rely on postmarks when casting your ballot, filing your taxes or paying bills, a new US Postal Service rule makes it clear that you should plan ahead.

For decades, a USPS postmark has served as official evidence that mail was sent on time. In elections, many state laws treat ...

A report from a Swedish organization that advocates for democracy globally found that 34 countries or territories allow mail-in voting. Voting by mail does not look the same in each country. For ...