Pete Souza has shot hundreds of thousands of photos of United States' president Barack Obama since Obama took office almost eight years ago.

First Lady Michelle Obama delivered a powerful speech on the first night of the 2016 Democratic National Convention in Philadelphia.

The popularity of the current first lady could help Clinton connect with female voters in swing-state suburbs as well as with minority voters in US cities.

In both theme and target audience, Trump offered a powerful echo of Richard Nixon almost 50 years ago.

The visit of Barack Obama's number two to New Zealand will be a family affair.

Kurt Sonnenfeld is on the run. He says the US government wants to keep him quiet about what he saw on 9/11.

Lydia DePillis asks if all the secrecy around the Trans-Pacific Partnership is really worth the price.

Hillary Clinton has fallen silent on the TPP, an interesting departure from her statements as the nation's top diplomat.

Saudi officials deny they blurred out US First Lady Michelle Obama, but her decision not to wear a headscarf, and don blue, not black at the late King's funeral, is controversial.

A hapless United States government worker was apparently responsible for a small drone that crashed on the White House grounds early yesterday.

Making his sixth State of the Union address today, US President Barack Obama will look straight past his party's rout in November's congressional elections to throw down the gauntlet to the Republican majority on raising taxes on the rich.

A military couple who planned to get married on a Hawaii golf course had to move their ceremony at 24 hours' notice when United States President Barack Obama decided he wanted to play a round, it has emerged.

Assumptions that President Barack Obama was a lame duck, counting down his last quarter after Republicans seized Congress, were confounded by several White House coups.

Whoa, this can't be right. Guys, guys, guys - this isn't the end. It feels like the lights have just come on in the theatre just when I was settling down to my popcorn...

CIA director John Brennan is acknowledging that agency officers did "abhorrent" things to captive terror suspects, and he says he can't prove the harsh treatment made the prisoners cooperate.

The police shooting of an unarmed black man has sparked another potential flashpoint in the United States.

A billion-dollar class-action lawsuit over Apple's iPods heads to trial after nearly a decade in legal wrangling.

The coalition of young and minority voters that handed President Barack Obama both of his election victories failed to show up for the Democrats in the US midterms as Republicans celebrated their first black female member of Congress.

Tech giants like Apple keep looking for overseas tax loopholes as their foreign cash has piled up to almost absurd levels.

The unmanned Antares rocket that blew up in a spectacular fireball in the United States during a launch to the International Space Station was using two 40-year-old Soviet-made rocket engines of the same type as one that exploded during tests in May.

A New York newspaper has apologised after it referred to US President Barack Obama as a “n*****” in one of its headlines.

New forensic imaging techniques are being used to solve the mystery of the final resting place of Amelia Earhart, whose plane vanished over the Pacific in 1937.

Tim Draper has been identified as the winning bidder for a cache of 29,656 bitcoins seized from the Silk Road website and auctioned off by the US govt.

The CIA and other spy agencies are scrambling to close intelligence gaps as they seek to support possible military or covert action against ISIS.

Computer users have been warned to take urgent action to protect themselves from a cyber virus pandemic, with up to a million computers in 12 countries infected since 2011.