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The Environmental Protection Agency has announced strict new carbon emissions regulations. Washington state has the largest reduction target — about 72 percent overall.

Grave questions face the Iraqi government, and U.S. officials are scrambling to decide what to do. The U.S. helped shape the country; is there anything it can — or would — do to keep it together?

We love raw seafood but can't stand uncooked fowl or pork. Why? A big part of it is the effective lack of gravity in water, a scientist says. Weightlessness gives fish muscles a smooth, soft texture.

Shortages of basic foodstuffs have fueled months of protests against Venezuela's socialist government. Some food producers are smuggling food across the border to get higher prices.

With the help of grow lights and air exchange fans, NASA is growing lettuce on the International Space Station. The scheme could help keep food costs down — and keep astronauts happy tending plants.

King Juan Carlos announced he would abdicate in favor of his son, sparking a fierce debate over whether he should be allowed to pass on the crown — or if the monarchy should be abolished altogether.

President Obama has said that the U.S. is prepared to take targeted military action in Iraq to confront insurgents and that he will consult Congress. But he's said nothing about seeking its approval.

Seattle minimum wage workers will see a gradual raise to $15 an hour — the highest in the nation. That won't end the argument about whether increases help or hurt employment.

The controversy over the exchange of a U.S. soldier for five senior Taliban fighters at Guantanamo Bay could rival or even surpass Benghazi.

President Obama is delivering the keynote address of his current trip to Europe in Poland. Earlier in the day, Obama is meeting with the president-elect of Ukraine, Petro Poroshenko.