Donald Trump and Hillary Clinton: on some foreign policy issues, it’s Hillary the Hawk against Donald the Quasi-Dove. Photographs: Damon Winter/Zach Gibson/The New York Times

It seems odd, in this era of gender fluidity, that we are headed toward the most stark X versus Y battle since Billie Jean King and Bobby Riggs. Donal(...)

Top part of painting of Donald Trump by Illma Gore titled Make America Great Again, courtesy of Maddox Gallery.  Photograph: Illma Gore/PA Wire

An infamous nude of Donald Trump has attracted bids of over £100,000 (€125,583) after it went on display at the Maddox Gallery in Mayfair, London, las(...)

File photo: A mother holds her one-month old daughter, who was born with microcephaly and was exposed to the Zika virus during her mother’s pregnancy, in Rio de Janeiro, Brazil. Photograph: Antonio Lacarda/EPA

After several weeks of study and debate, US health officials concluded that infection with the Zika virus during pregnancy causes the birth defect mi(...)

Marco Rubio and Donald Trump: Trump retweeted a photo posted last week by a supporter mocking the appearance of Rubio’s wife. Photograph: Chip Somodevilla

There’s an episode in the latest series of the Netflix political drama House of Cards where fictional president Frank Underwood attempts to manipulate(...)

Heidi and Ted Cruz: The senator and Donald Trump have escalated their bitter campaign feud, taking to social media in fight over their wives. Photograph: Jim Watson/AFP/Getty Images

That sound you have been hearing for the past nine months from the Republican presidential race is the bottom of the barrel being scraped. This week, (...)

 Republican presidential candidate Ted Cruz (L) shakes hands with former  Jeb Bush, who has withdrawn from the race,  before the start of a Republican Presidential Debate. Photograph: Robyn Beck/AFP/Getty Images.

Jeb Bush, the former governor of Florida who left the US presidential race after the South Carolina primary, has endorsed Ted Cruz to contest the pres(...)

Appalled Republicans may rail against Donald Trump’s arrogant ignorance. But how different, really, are the party’s mainstream leaders?

Remember Paul Ryan? The speaker of the house used to be a media darling, lionised as the epitome of the serious, honest conservative – never mind thos(...)

Hillary Clinton will almost certainly be the Democratic nominee. Photograph: AP

The third successive “Super Tuesday” state nominating contests in the US presidential election threw up two significant outcomes: Hillary Clinton wil(...)

Republican US presidential hopeful Ohio Governor John Kasich celebrates his Ohio primary victory. Photograph: AFP

After a critical win on his home turf, Ohio Governor John Kasich begins a new phase of his long-shot presidential campaign that his aides hope will ul(...)

Democratic presidential candidate Hillary Clinton holds a rally in Palm Beach after winning the Florida primary. Photograph: EPA

Republican candidate Donald Trump scored more big victories in his bid to be the party’s presidential nominee, winning the key state of Florida and kn(...)