John McCain introduced Alaska Gov. Sarah Palin to be his vice presidential running mate at a noon rally here Friday.

“My friends and fellow Americans, I am very pleased and very privileged to introduce to you, the next vice president of the United States, Governor Sarah Palin of the great state of Alaska,” McCain told a capacity crowd of 12,000 at the Nutter Center.

On a historic night for America, Barack Obama secured the Democratic Party's nomination for president and emerged for the first time on stage in Denver with running mate Sen. Joe Biden.

Obama on Wednesday officially became the first African American to lead a major party ticket.

Delegates cried and cheered as former rival Sen. Hillary Clinton motioned to cut the roll call vote short, saying "Let's declare together with one voice right here, right now, that Barack Obama is our candidate and he will be our president."

Thinking of camping out at Ikea once they start selling those solar panels?

With food and fuel costs soaring and the financial costs of global warming becoming reality, a new cure-all prescription has emerged: The average American should eat less.

And with a new University of Illinois report forecasting even higher food prices next year, the suggestion could become an inevitable way of life for people on tight budgets. It would of course have the added benefit of trimming waistlines and improving health, which would provide additional savings in reduced health care costs.

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Barack Obama faced two critical questions: where to play and how to pay.

To answer both, the Democrat reversed course to become the first candidate to reject $85 million in public money for the general election, a decision that will allow the record-shattering fundraiser to raise as much as he can and spend as much as he wants — and, thus, implement his strategy to expand the Electoral College playing field.

UK Media Continues In-depth Peak Oil Coverage

Sen. Barack Obama is bracing for the general election fight, and conservatives are likely to throw some jabs at his wife Michelle Obama as well.

Conservatives view the presumptive Democratic nominee's wife as a target of opportunity.

But one Republican consultant said attacks on candidates' wives often backfire.

The majority of the Earth's surface is covered in water, thus it is perhaps unsurprising that the power source of the future may lie in the water

Gas costs are soaring, but adopting cheaper ethanol is sending food costs into the stratosphere as well. What is the answer to this troubling predicament? Some say the solution is old -- very old. There is growing hope that one of the planet's most ancient organisms, algae, can be used to produce economically viable biofuel without the negative societal impact of ethanol.

"Oscar is smarter than the Smart", read the headlines of the Berliner Morgenpost after the little electric flitzer made a visit to the capital city. Oscar, for Open Source CAR, is an electric car developed by Felix von Borck of Akasol and a group of students at the Technical University of Darmstadt (which you may remember as the winner of the 2007 Solar Decathlon). Oscar was invited to Berlin for a meeting of the Green Party members in Germany's Bundestag (Parliament). There, Oscar drew the attention of a VW engineer.