Hillary Clinton speaks about terrorism at the Council on Foreign Relations in New York, on Thursday. Photograph: Sam Hodgson/The New York Times

Democratic presidential frontrunner Hillary Clinton has called for more intensified and broader fight against Islamic State militants to include a no-(...)

Republican presidential candidate Ben Carson speaking during a Liberty University Convocation in Virginia on Wednesday. Photograph: Andrew Harrer/Bloomberg

US presidential candidate Ben Carson recommended praying for rival Donald Trump after the real estate mogul and television personality, in a 95-minute(...)

Republican presidential hopefuls Ben Carson and Donald Trump: a poll on Tuesday show Carson with a 26 to 22 per cent lead over Trump nationally in the race for the party’s candidacy. Photograph: Frederic J Brown/AFP/Getty Images

It’s first-time candidates Ben Carson and Donald Trump versus everyone else tonight, as the Republican Party has its third debate (8pm eastern time; (...)

Men on motorcycles inspect a site hit by what activists said were air strikes carried out by the Russian air force in the town of Babila, in the southern countryside of Idlib, Syria. Photograph: Khalil Ashawi/Reuters

The United States will largely abandon its failed efforts to train moderate Syrian rebels fighting Islamic State, and instead provide arms and equipme(...)

Republican presidential hopefuls Donald Trump (left) and Jeb Bush high five during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California. Photograph: Frederic J Brown/AFP/Getty Images

Republican frontrunner Donald Trump drew fire from rivals during the party’s second presidential debate over his campaign insults with Carly Fiorina, (...)

People   cross the border between Hungary and Austria on September 10th, 2015, near Nickelsdorf, Austria. The US has made its first specific commitment  towards increasing its acceptance of migrants from Syria.  Photograph: Joe Klamar/AFP/Getty Images

US president Barack Obama has directed his administration to take in at least 10,000 people fleeing the conflict in Syria over the next year. White Ho(...)

US  presidential candidate Donald Trump at Manhattan Supreme Court in New York on Monday, where he appeared for jurty duty. Trump’s  hard line on immigration has driven rivals to match his biting anti-immigrant language. Photograph: Lucas Jackson/Reuters

Republicans thought they had learned a lesson after 2012: Turning off Latino voters ensures defeat in the general election. But as the disruptive US p(...)

The furious reaction from the American right and vested interest groups to President Barack Obama’s dramatic announcement of his Clean Power Plan last(...)

US presidential candidate  and businessman Donald Trump. Photograph: Brian Snyder/Reuters

Embattled Republican presidential candidate Donald Trump has hit back at critics who say he went too far with caustic comments about a US television n(...)

Donald Trump and Jeb Bush participate in a debate of ten leading Republican presidential hopefuls at the Quicken Loans Arena in Cleveland. Photograph: Doug Mills/The New York Times

The first question to Chris Christie was about the nine credit downgrades that New Jersey had suffered since he became its governor. Ben Carson was(...)