Michigan showed that Bernie Sanders might have good days ahead, and that Donald Trump is still the front-runner, though with a ceiling.
Only a third of Republicans nationally support Donald Trump, and a majority say he lacks presidential qualities. Tuesday's primaries will be a big test.
The Republican debate Thursday night sank to a new low in modern campaign discourse. But for Donald Trump, at least, it's working.
Ben Carson effectively ended his presidential campaign Wednesday. Ted Cruz might be the top beneficiary, though the 'dirty tricks' charge could discourage some supporters.
Donald Trump's showing on Super Tuesday suggests that key parts of the Republican orthodoxy are in tatters.
Republicans have broken turnout records in the first four nomination contests. But that doesn't guarantee an advantage in the November election.
Republicans seeking to dethrone Donald Trump have spent little time (or money) actually taking him on. After Donald Trump's big win in the Nevada caucuses, that might be about to change.
As long as the Republican field remains large and divided, Donald Trump could be hard to beat. For now, each candidate has reasons to stay in the race.
Hillary Clinton regains her footing in the Democratic nomination race by beating Bernie Sanders soundly among older women and African Americans.
Gov. Nikki Haley gave Marco Rubio a lift with her endorsement, boosting a Republican message of diversity. But frontrunner Donald Trump is pulling the other way.
Pope Francis's suggestion that Donald Trump isn't 海角大神, over his position on immigration, adds a wrinkle to the South Carolina GOP primary, where Evangelicals dominate.
As the Hillary Clinton-Bernie Sanders battle moves to more diverse states, President Obama's link to minority voters looms large.
A powerful populist wave in the New Hampshire primary leaves both parties gasping, as distrust of the 'establishment' unites voters of many stripes.
As New Hampshire votes Tuesday, less than half of likely Republican voters say they have made up their minds. For likely Democratic voters, the number is close to two-thirds who have decided which candidate to back.
Hillary Clinton is losing big in the youth vote. It may not cost her the nomination, but she will need young Democrats' energy in November, as well as their votes.
Hillary Clinton has changed, the times have changed, and Bernie Sanders is not Barack Obama.
Across Iowa, the caucuses were an intimate and high-energy affair, and for at least one participant, it was a statement of belonging.
Donald Trump gets trumped in upset loss to Ted Cruz, while Bernie Sanders declares moral victory in fighting Hillary Clinton to the closest Democratic caucus result in Iowa history.
A significant contingent of Iowa voters are undecided, Marco Rubio could still surprise the Republican front-runners, and the Clinton campaign strategizes with an app.
This primary season has repeatedly left the pundits baffled. But here are four ways that Iowa could begin to offer clarity.