US President Barack Obama has said failing to prepare for the aftermath of the ousting of Libyan leader Col Muammar Gaddafi was the worst mistake of his presidency.

John Kerry yesterday said he was "deeply moved" by his unprecedented visit to the Hiroshima atomic bomb memorial -- and urged President Barack Obama also to make the trip.

Democrat Bernie Sanders and Republican Ted Cruz both scored weekend victories against their front-running rivals in a tightening race

A man who had to be rescued when he climbed a California cliff to propose to his girlfriend via cellphone video later was acting erratically and was found to be high on methamphetamine, authorities say.

Authorities arrest two burglary suspects who led them on a long, bizarre chase Thursday in a top-down convertible through rainy Southern California that ended with the men stopping to exchange high-fives with onlookers and take selfies before being handcuffed.

For Americans of nearly every race, gender, political persuasion and location, disdain for Donald Trump runs deep, saddling the Republican front-runner with unprecedented unpopularity as he tries to overcome recent campaign setbacks.

John Kerry is now the most travelled secretary of state in US history, breaking the record as he arrived in the Middle East kingdom of Bahrain on Wednesday.

US Secretary of State John Kerry urged Iran yesterday to help end wars in Yemen and Syria, where Tehran and its Gulf Arab rivals are backing opposing sides.

President Barack Obama has opened his final presidential campaign — against Donald Trump.

The US has begun waging cyber warfare against IS, Defence Secretary Ashton Carter has confirmed.

Country musician Merle Haggard, who emerged from prison to become the poetic voice of the working man with hits such as "Mama

Donald Trump has said acting too presidential would be “boring as hell”. The New York businessman, the frontrunner in the race to

A plane has crash-landed on the Interstate 15 freeway in southern California, hitting a car and killing one of its passengers.

Republican presidential front-runner Donald Trump predicted that the United States is on course for a "very massive recession," warning

The Barcelona talisman Lionel Messi, who was in the country ahead of World Cup qualifiers for his national team, and POTUS's daughters weren't able to connect, but Messi made good on the missed opportunity. He signs a pair of his No. 10 national team jerseys for the two and sends them to the White House.

There are now more adults in the world classified as obese than underweight, a major study has suggested.

China and the United States will work together to try and prevent further missile tests by North Korea, US President Barack Obama says.

The United States and China will be among the nations signing the Paris climate agreement in New York next month, the White House announced Wednesday.

Presidential candidate Donald Trump briefly called for "some form of punishment" for women who have abortions, if it became illegal.

The FBI has unlocked the iPhone used by one of the San Bernardino terror attackers, officials said Monday, ending a heated legal standoff with Apple that had pitted US authorities against Silicon Valley.