An Army psychiatrist who had treated soldiers wounded in foreign wars opened fire with two handguns on soldiers preparing for foreign deployment at the Fort Hood U.S. Army post in Texas on Thursday, killing 11 and wounding 31.

A growing storm of debris flying around in space is dramatically increasing the risk of orbital crashes, and steps to avoid them will add greatly to the costs of future space flight, British space experts say.

The killing of five British troops by a rogue Afghan policeman underlines concerns about training and discipline within the ranks and possible insurgent infiltration of the  police force.

Northrop Grumman Chairman and CEO Ronald Sugar is retiring at the end of the year.

Russia and Venezuela on Saturday moved closer to an oil venture deal and discussed arms trade, forging a partnership that may drag Russia into a row over the U.S. military presence in Colombia.

Prosecutors wrapped up their sex-crimes case against 74-year-old evangelist Tony Alamo after playing jailhouse tapes of the minister threatening to kick out a young follower.

A full-blown swine flu pandemic hitting the UK could see one in four employees forced to stay home at a cost of 1.5 billion pounds ($2.4 billion) each day, new research suggests.

Testimony has wrapped up in the trial of Myanmar's jailed opposition leader Aung San Suu Kyi, accused of violating the terms of her house arrest by harboring an uninvited American.

Russian President Dmitry Medvedev says the summit with President Barack Obama is a "first but very important step" toward revitalizing relations between Russia and the United States.

A senior South Korean government official said North Korea's no-sail ban, which begins this week, is believed connected to North Korean plans to fire short- or mid-range missiles.

A session of the Guantanamo war crimes court that began Sunday will likely show the difficulties President Barack Obama faces in changing the system and closing the prison by January.

A Pennsylvania defense contractor to whom Rep. John Murtha, D-Pa., directed millions of dollars in congressional earmarks has been blocked from doing business with the Navy.

Stocks finished near session lows Wednesday as rising bond yields on government debt raised concern that borrowing costs are going to start going up and tamp down the economic recovery.

Stocks got a quick pop Wednesday after a report showed existing-home sales rose in April  but quickly retreated as the previous day's optimism faded and GM stirred anxiety in the market. But tech stocks gained, sending the Nasdaq into positive territory.

Stocks got a quick pop Wednesday after a report showed existing-home sales rose in April  but quickly retreated as the previous day's optimism faded and GM stirred anxiety in the market. But tech stocks gained, sending the Nasdaq into positive territory.