House of Representatives speaker Paul Ryan said of Donald Trump: “I think conservatives want to know: does he share our values and our principles.” Photograph: Jonathan Ernst/Reuters

Paul Ryan, the Republican speaker of the House of Representatives, has said that he is “not ready” to endorse Donald Trump as his party’s presidentia(...)

Donald Trump greets his supporters  at a campaign rally in South Bend, Indiana. Photograph: Tannen Maury/EPA

Donald Trump is the first Republican that Tamara Kil-Myers, a nurse from South Bend, Indiana, has ever voted for. The businessman rocking American p(...)

People look at the arrival of US Carnival cruise ship Adonia at the Havana bay, the first cruise liner to sail between the United States and Cuba since Cuba’s 1959 revolution, Cuba. Photograph: Alexandre Meneghini/Reuters

The first US cruise ship in nearly 40 years has crossed the Florida Straits from Miami and docked in Havana, restarting commercial travel on waters th(...)

 A sailor shows his tattoo:  the US Navy is loosening its rules on tattoos in response to their growing popularity among young people and to remove a potential barrier for  recruits. Photograph: Hiroko Masuike/The New York Times

The US navy is loosening its rules governing tattoos in response to their growing popularity among young people and to remove a potential barrier for (...)

Hillary Clinton has 88 per cent of the delegates needed to win the Democratic belt and she leads in the polls in California. Photograph: Eric Thayer/The New York Times

Even their victory-party music after decisive state wins in the north-east on Tuesday night pointed to how Donald Trump and Hillary Clinton are only j(...)

Democratic presidential candidate Bernie Sanders speaks during a rally  in Pittsburgh, Pennsylvania, on Monday. Photograph: Jeff Swensen/Getty Images

In the City of Brotherly Love, there was not much sisterly affection for Hillary Clinton among Bernie Sanders’s supporters at a rally on Monday night.(...)

Corey Lewandowski, campaign manager for US Republican presidential candidate Donald Trump, at a rally in Wisconsin, the US. Photograph: Jim Young/Reuters

US prosecutors have dropped a battery charge against Donald Trump’s presidential campaign manager, Corey Lewandowski, saying there was insufficient ev(...)

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(...)

Donald Trump: not since Barry Goldwater has the Republican establishment so railed against a candidate as it has against Trump. Photograph: Shannon Stapleton/Reuters

“I warned that the Republican Party is in real danger of subversion by a radical, well-financed, highly disciplined minority,” the Republican governor(...)

The leak - Size of the leak: 2.6 TB - Number of documents: 11.5 million - Span of the data: 1977 to December 2015 (We’re taking into consider(...)