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Saving money and lives, as well as improving national security, are the goals behind a U.S. military initiative to reduce its reliance on fossil fuels. At one outpost in remote Afghanistan, Marines are using solar power; the Navy is also experimenting with biofuels.

Seventy percent of Americans polled opposed arming Syrian rebels. A majority said the opposition groups may be no better than the Assad regime.

Chen Guangcheng says the work of Chinese Communists in the American academic circle is far greater than people realize. New York University, which helped defuse a diplomatic crisis Chen sparked last year, denied the allegations.

The novel Challenger Park has at its heart the story of an astronaut who find her marriage coming apart. The book gained fresh attention after the arrest of Capt. Lisa Nowak, the shuttle astronaut who allegedly attacked a romantic rival this week.

Many women don't know when they're most likely to get pregnant each month, and some think certain positions will boost the odds, a survey finds. There are also big gaps in knowledge about risk factors for infertility and birth defects.

It’s a Friday afternoon at the MetWest High School gymnasium. Over a hundred students and faculty are gathered for the school’s weekly town hall…

Iranian President Mahmoud Ahmadinejad used his eighth appearance before the U.N. General Assembly to elaborate on his vision of a new world order and criticize what he calls the world's "hegemonic" and "expansionist" powers.

President Bush has surprised skeptics by proposing dramatically tougher fuel economy standards for cars and trucks. Starting in 2010, gas mileage would have to improve by 4 percent each year — in most cases, that's a one-mile-per-gallon increase every year.

JD Samson explains how politics and dance music can mix, even in songs without an explicit message.

Scientists are trying to figure out how chemicals in the air interact with each other to make people sick. So they're building an instrument — a "lung in a box" — that goes way beyond the usual chemical monitors.

Sen. Barack Obama topped Democratic rival Hillary Clinton in Tuesday's Mississippi primary. Despite overwhelming support in the African-American community for Obama, exit polls showed that he lost ground with white voters in what turned out to be the most racially polarized vote so far.

The city's Millennium Park is a living reminder of the tough challenges that popped up along the way for Christy Webber's landscaping firm. Now she and one of her employees are both hoping to weather the economic crisis.