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Democrats won five of the six statewide races on the ballot in Kentucky Tuesday. At the top of the ticket, incumbent Democrat Steve Beshear beat…

This week, a Continental flight from Houston to Chicago used a biofuel blend made in part from algae, and Alaska Airlines will fly passengers using a fuel made in part from cooking oil. The fledgling environmental effort has many hurdles, as biofuel costs nearly six times as much as regular jet fuel.

Abd al-Rahim al-Nashiri is the first Guantanamo detainee to have his case tried under the Obama administration's revamped rules for military commissions; he could be put to death if found guilty in the 2000 bombing of the USS Cole in Yemen. The trial is a test of whether a separate military justice system can provide the same impartial justice as a U.S. criminal court.

The nation's biggest retailer is planning to offer a wide range of medical care in U.S. stores. A Wal-Mart document seeking partners for the effort says the company aims to become a major provider of primary care. Later, an executive with the retailer said the company document was "overwritten and incorrect."

The deadline for a deficit-cutting plan from the supercommittee is just two and a half weeks away. In the meantime, Defense Department officials and their advocates on Capitol Hill are scrambling to find ways to stave off mandatory cuts if the committee doesn't reach an agreement.

Voters in Mississippi have rejected an amendment that would have made it the first state to declare as part of its constitution that life begins at fertilization. As recently as a few weeks ago, the so-called personhood amendment was considered almost certain to pass.

A study by the Pew Research Center's Internet and American Life Project reveals what teens think about the online experience. While bullying on social media sites like Facebook gets a lot of news coverage, most teens think social networks are a friendly place for them.

Regulators in Florida recently gave two utilities permission to begin charging customers for nuclear plants that won't be completed for at least a decade. To encourage development of nuclear power, Florida allows utilities to charge customers upfront for the costs. Now there's a movement to rethink that policy.

The school's trustees are also launching their own investigation into the allegations that a former assistant football coach sexually abused young boys — and that some school officials had been told but didn't alert police.

Cooked meat delivers more energy than raw meat, which may have given our human ancestors a big evolutionary advantage. It may also explain why today's humans have a hard time keeping off the pounds, according to researchers at Harvard University.