Ted Cruz held off a spirited challenge from Democratic candidate Beto O'Rourke to help the Republicans hold onto the Senate in a big night for the GOP.
Key victories by pro-Trump, anti-immigrant candidates have confirmed the president's hold on the Republican Party and his ability to turn out his conservative base.
Much is hanging on the outcome of the US mid-term elections - and much of it is unpredictable.
Wes Mountain/The Conversation
The Democrats are favoured to win control of the US House, but it may be closer than expected.
Screenshot from Republican John Rose’s campaign ad ‘Build the Wall,’ which equates all immigration with the Salvadoran gang MS-13.
John Rose For Tennessee via YouTube
MS-13 is not the biggest or most violent gang in the US. But its grisly murders and Latino membership inflame Americans' anxiety about immigration. GOP campaign ads stoke those fears to attack Democrats.
Evangelicals of color are among the fastest growing segments of the American population.
AP Photo/Tina Fineberg
Two of the fastest growing segments of the American population Latino and Asian-American voters - also are part of evangelical America. Their views on immigration are very different.
A protester is arrested by Capitol Hill Police during the Kavanaugh nomination.
A polarized electorate is divided into tribal camps that demonize each other. That's the setting for the upcoming midterm elections. If the US continues down this path, democracy will suffer.
An early voter in Norwalk, California.
The odds favor a big year for Democrats, but the extent of their gains is still in doubt.
A farm in LaSalle County, Illinois.
Eddie J. Rodriquez/shutterstock.com
Conservative skeptics of climate change may support projects focused on 'resilience' – for example, preparing a community for future major weather events.
With the Democrats favoured to win back the House of Representatives in the midterm elections, that makes impeachment of Trump more likely, right?
If the Democrats get close to retaking the House of Representatives in the midterm elections, the odds of impeachment are high. But the Senate remains problematic.
Dolly the elephant and Dottie the donkey.
AP Photo/Bob Schutz
The true number of people who do not favor either of the two major political parties in the US has actually remained stable in recent years.
The Republicans have North Dakota in their sights … and have changed the law to win it.
Access to the ballot has been increased and diminished according to whoever manages to win power to write the rules. Just look at North Dakota.
In Texas, Republicans like Cruz (left) are starting to feel the heat from Democrats.
Cruz: REUTERS/Joshua Roberts; O'Rourke: AP
Pollsters at the University of Texas in Austin explain why the numbers just don't add up for the Democrat.
Politics are creating divides in the office.
The midterm elections have put America's political divide front and center, increasingly invading the work space and stressing out employees.
Lies can help a political campaign be successful.
While Donald Trump's election may seem to US voters to present unprecedented questions of legitimacy, such questions were first asked more than a century ago, in an election that turned on bicycles.
Primary voter in New Hampshire, 2016.
The more undemocratic tendencies of the US electoral system are growing stronger. As the midterm campaign season enters its final stage, it turns out that some votes count more than others.
Andrew Gillum with wife R. Jai Gillum addresses supporters after winning the Democrat primary for governor.
AP Photo/Steve Cannon
The mayor of Tallahassee underspent three rivals to win the state's Democratic primary. But what awaits in the general election?
Tariffs may help certain industries, but their broader impact on middle- and lower-income consumers is generally harmful.
The president says he's fighting his trade war because a generation of free trade has failed working-class Americans. An economist explains why tariffs will only make things worse.
It’s difficult to measure media bias.
Nearly half of Americans say they see a great deal of bias in the news media. But the research on this subject is unresolved.
Millennials are not into the ‘We are the greatest country’ idea.
Millennials are less inclined than older Americans to intervene abroad, maintain superior military power or believe the US is an exceptional nation. What does that mean for the country's future?
Maria Butina, founder of a Russian gun group, allegedly infiltrated the Republican Party.
The NRA may fund political candidates but only with cash from U.S. donors. The group could face serious consequences if, as news reports allege, it broke laws and rules.
The U.S. Supreme Court.
Democrats won the popular vote in six of the last seven presidential elections, but Republican presidents have appointed a majority of the sitting justices. Is the court out of step with America?