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View live results for Massachusetts' ballot measures and races for president, U.S. Senate and U.S. House.

View live election results for key contests in Colorado.

Washington state's governor activated the National Guard to stand by to help local law enforcement as needed. Meanwhile, extra security is in place at locations across Washington, D.C.

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Various state rules regarding when election officials can process and count mail-in ballots means it will likely take some time after Election Day before the results from these ballots are fully known.

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The Associated Press can't call any races until polls close in their respective state. Here's a breakdown of when that will happen.

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Despite its substantial-sounding name, the Electoral College isn’t a permanent body: It’s more of a process. For decades, a majority of Americans have wanted it to be changed.

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Thousands of last-minute challenges to voters’ mail ballot applications, along with baseless claims by former President Donald Trump, are adding pressure on Pennsylvania county officials.

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Robert F. Kennedy, Jr.’s claims about fluoride in the drinking water are linked to Cold War conspiracy theories about the substance.

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With more than 2 million members, the "Divine Nine" organizations have launched many get-out-the-vote initiatives in this historic election involving one of their members, Vice President Harris.

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Green eggs and ham? Even toddlers know when an event appears to be impossible, not just improbable.

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If reelected, Trump would only be the second president to serve non-consecutive terms after Grover Cleveland in the late 1800s. Here's a look at how that happened — and who else has tried.

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What the latest numbers say and what to look for as the election comes to a close.

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Trump and Harris are holding their last rallies before Election Day tomorrow. And, meet the conservative women secretly voting for Harris.

(Image credit: Angela Weiss/AFP via Getty Images; Kevin Dietsch/Getty Images)

Vice President Harris ends her day with a concert on the "Rocky Steps" in Philadelphia. Former President Trump will wrap up in Grand Rapids, Mich. — where he also closed out his 2016 and 2020 races.

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Moldova’s pro-Western President Maia Sandu has won a second term in a pivotal presidential runoff against a Russia-friendly opponent, in a race that was overshadowed by claims of Russian interference.

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Republicans are favored to take control of the chamber thanks to a 2024 map of races that tilts disproportionately in the GOP’s favor. Here are the races to watch.

(Image credit: Chip Somodevilla)

The candidates are both spending time on the last day of the campaign in Reading — a majority-Latino city — where that bad joke about Puerto Rico has resonated.

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In today’s political climate, conspiracy theories are commonplace. But they’re nothing new. In the 1960s, the John Birch Society built a movement around them.

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After Brian Perkins refused a stranger's help, her actions changed his life forever.

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The gentle animals are part of Portland International Airport's effort to counter travel stress with soothing elements from nature.

(Image credit: Jay Fram for NPR)