US officials opened an investigation into a rush-hour collision between two commuter trains that injured more than 70 passengers and severed a key rail link.

Americans have lined up in droves across the country to buy Powerball Lottery tickets in the hopes of winning the record $600 million jackpot, the largest in the 21-year history of the game.

India faces at least "a one-in-three" chance of losing its prized sovereign grade rating, global ratings agency Standard and Poor's has warned, amid new threats to economic growth and reforms.

Three Foxconn workers have committed suicide at a factory in China in the past three weeks, a labour rights group said on Saturday.

By Malathi Nayak and Bill Rigby SAN FRANCISCO/SEATTLE (Reuters) - Microsoft Corp is set to make a splash this week with the eagerly awaited unveiling of its new Xbox game console, eight years after the last version, as it seeks a larger share of the $65 billion a year global computer gaming industry. But the small device faces some big competition from the PlayStation 4 by Sony Corp and the Wii U by Nintendo Co Ltd in a shifting market. ...

By Alexei Oreskovic SAN FRANCISCO (Reuters) - Google staged four discussions expounding on the finer points of its "Glass" wearable computer during this week's developer conference. Missing from the agenda, however, was a session on etiquette when using the recording-capable gadget, which some attendees faithfully wore everywhere - including to the crowded bathrooms. Google Glass, a cross between a mobile computer and eyeglasses that can both record video and surf the Internet, is now available

International Boxing Federation welterweight champion Devon Alexander posted a dominant seven-round technical knockout of over-matched Briton Lee Purdy on Saturday.

Leopold Koenig won the seventh stage of the Tour of California atop Mt. Diablo on Saturday, while overall leader Tejay van Garderen's third place finish had him poised to win the title on Sunday.