Kenny Michelena is, by just about any measure, a tough guy. He was born and raised on a ranch in rural northwestern Wyoming and remembers that after class in elementary school, the bus driver would ...

“The Party Decides,” the 2008 book by the political scientists Marty Cohen, David Karol, Hans Noel and John Zaller, has probably been both the most-cited and the most-maligned book of this election ...

Apportionment, or the process of determining the number of seats each state has in the U.S. House of Representatives, happens like clockwork at this point. Every 10 years, the Census Bureau counts how ...

Since Donald Trump effectively wrapped up the Republican nomination this month, I’ve seen a lot of critical self-assessments from empirically minded journalists — FiveThirtyEight included, twice over ...

Vote margin calculated based on the two-party vote, which uses just the Democratic and Republican vote totals. Together, the share of the statewide vote and the benchmark margins produce a 50-50 tie, ...

“Defund the police.” In the last several weeks, this slogan has entered the mainstream amid nationwide protests against police violence. However, there’s some disagreement about what exactly the ...

Michael Thomas of the New Orleans Saints can create separation from his defenders all over the field. To try to capture the results of this game of cat and mouse between receiver and defender, we used ...

If you’re one of the approximately 320 million Americans who don’t live in New York City, it might seem like its Democratic mayoral primary has gotten an outsized amount of media coverage. But even I, ...

It might seem like a matter of time before the NFL and London stop flirting and start going steady. Six NFL teams have flown across the Atlantic to play a football game this year — most recently, the ...

Eight Republican candidates participated in the party’s first primary debate in August. But the stage could feature fewer contenders when the GOP holds its next debate later this month. Table only ...

If you follow the headlines, your confidence in science may have taken a hit lately. Peer review? More like self-review. An investigation in November uncovered a scam in which researchers were ...

Live coverage and results of the 2016 Election, including the presidential race between Hillary Clinton and Donald Trump and the race for control of the Senate and the House of Representatives.