A rare letter signed by three of the Founding Fathers of the United States is going on sale, and is expected to fetch up to ...

States sued Congress for lowering the voting age. The case went to the Supreme Court, which ruled in favor of states. That led to the 26th Amendment.

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Arizona voters are set to decide whether to guarantee the right to abortion in the state constitution. The swing state is one ...

Voters in California, Colorado and Hawaii weighed in on ballot initiatives aimed at removing antiquated language on marriage in their state's Constitution.

Abortion rights are on the ballot Tuesday in 10 states as voters continue to contend with the fallout of the Supreme Court's ...

Voters in Missouri cleared the way to undo one of the nation's most restrictive abortion bans in one of seven victories for ...

MEXICO CITY (AP) — Mexico's federal and state legislatures, all dominated by the ruling Morena party, have passed amendments ...

A rare copy of the U.S. Constitution printed 237 years ago sent to the states to be ratified is being auctioned Thursday ...

A rare copy of the US Constitution that was found inside a filing cabinet sold for $9 million at auction this week. It took just seven minutes for the nearly 237-year-old document to clinch its ...