“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 ...

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 ...

Odds may not sum to 100 percent due to rounding and third-party candidates. CORRECTION (Aug. 17, 2018, 5:45 p.m.): The first name of Rep. Mark Pocan of Wisconsin was misspelled in an earlier version ...

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 ...

Longtime readers of FiveThirtyEight are probably familiar with our pollster ratings: letter grades that we assign to pollsters based on their historical accuracy and transparency. Since 2008, we have ...

I don’t have a particularly strong take on how the death of Ruth Bader Ginsburg will affect either the presidential election or the race for control of the U.S. Senate. And I’d encourage you to avoid ...

When the new Congress comes into session in January, there will be more Black Republicans serving together on Capitol Hill than at any point since 1877. The number? Five. 1 For years, Republicans have ...

Sometimes statistical analysis is tricky, and sometimes a finding just jumps off the page. Here’s one example of the latter.

The greatest drivers in the world are assembling in Monte Carlo this weekend for Formula One’s flagship race, the Monaco Grand Prix. So we thought it was the right time to dive into the history of ...

When the 2022 World Cup made its debut on Sunday, it kicked off one of the most significant in-game uses of technology in sports history. All tournament long, match balls will contain a sensor that ...

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 ...

The 2020 presidential contest is starting to pick up steam, but we’re still a long way from any votes being cast. To see if we can learn anything at this stage of the election cycle, we’ve been ...