A large city bus has skidded off an icy road and crashed into a lamp post in Kansas City, Missouri.

Microsoft becomes the latest US technology firm - after Apple and Facebook - to confirm that it has been targeted by computer hackers.

Six underground storage tanks at a nuclear site in the US state of Washington are leaking but there is no current risk to humans, officials say.

Kidman and more on their favourite films of the past year

Why speaking English makes you poor

The US grounds its entire fleet of F-35 fighters - the Pentagon's most expensive weapons programme - after a cracked engine blade is discovered.

The US government joins a lawsuit against Lance Armstrong after talks with the disgraced cyclist's lawyers broke down.

US President Barack Obama and Japanese Prime Minister Shinzo Abe affirm their security alliance and pledge to stand firm against North Korea.

The US has deployed 100 troops to Niger to assist French forces in neighbouring Mali, President Barack Obama says.

A patent filed by Apple suggests the US tech giant is developing a smart watch - perhaps with a flexible touchscreen display.

A Las Vegas rapper was among the dead in a shooting and multiple-car crash on the Las Vegas Strip early on Thursday morning, local media report.

US Secretary of Defense Leon Panetta rejects Germany's claim that he confirmed the number of US troops to stay in Afghanistan after Nato's exit.

Boeing is expected to offer ways to fix the 787's battery problems at a meeting with the US Federal Aviation Administration on Friday.

Sesame Street's Big Bird has teamed up with First Lady Michelle Obama on a healthy eating campaign in the US.

Actress Megan Fox is reuniting with director Michael Bay to star in the updated film version of 90s big screen hit Teenage Mutant Ninja Turtles.

The FBI disciplines agents for sending nude pictures, bugging a boss's office, and visiting a massage parlour, a leaked memo reveals.

The former Spice Girl joins the judging panel of TV talent show America's Got Talent.

The US ambassador to Russia warns against "exploiting human tragedy" after US woman was accused of murdering her adopted Russian son.

Japanese Prime Minister Shinzo Abe is set to meet President Obama in the US for talks aimed at fortifying their key security alliance.

A celebrated piece of work by street artist Banksy has found itself on the other side of the world in a Miami auction house.