U.S. energy officials on Sunday said a top-to-bottom examination of procedures at U.S. nuclear-energy facilities is under way in the wake of Japan's earthquake-triggered nuclear-plant crisis.
U.S. President Barack Obama on Sunday told Brazilians he wants to strengthen ties between the two countries, based on shared values and economic partnership
What was reported as a miles-long oil slick in the Gulf of Mexico is likely a plume of silt emanating from a dredging operation on the Mississippi River, a U.S. Coast Guard spokesman said.
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Coalition air attacks are now aiming to cut the supply lines for Gadhafi's ground forces, Adm. Mullen said. He said a no-fly zone was "effectively in place" and that its air force has been effectively grounded.
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U.S. Ambassador to Mexico Carlos Pascual resigned Saturday, another diplomatic casualty of the Wikileaks cables scandal, and a sign of growing strains between Washington and Mexico over the country's fight against powerful drug gangs.
The U.S. Coast Guard said late Saturday that it is investigating reports of a miles-long oil slick in the Gulf of Mexico.
More than 100 anti-war protesters were arrested outside the White House on Saturday in demonstrations marking the eighth anniversary of the U.S.-led war in Iraq.
A Wisconsin judge temporary blocked implementation of a law that will curtail collective bargaining for public-employee unions.
Nicolas Sarkozy's meeting with Hillary Clinton in Paris last Monday was the launch point for four frantic days of diplomacy that turned the Obama administration toward intervention.
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U.S. President Barack Obama pushed an agenda in Brazil heavily weighted toward trade and investment during the first day of his three-nation Latin America tour Saturday.
Some of Obama's potential Republican 2012 challengers say he waited too long to confront Gadhafi.
More than 60 senators sent a letter to President Obama urging him to "engage" on long-term deficit reduction, a sign of legislative momentum on the issue and impatience with the White House.
Clinton administration Secretary of State Warren Christopher has died in Los Angeles.
Candidates are already campaigning to succeed Miami-Dade County's ousted mayor, just days after voters booted Carlos Alvarez by a nearly 9-to-1 margin in a recall election on Tuesday.
The Fed's move to allow some banks to resume higher shareholder payouts presented a clear division between the industry's strongest and weakest players.
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Preservationists are battling the Penguins hockey team over a plan to tear down Pittsburgh's Civic Arena to make way for office buildings, shops and apartments.
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As fears mount over possible radiation leaks from Japan's Fukushima nuclear plants, people who live close to the plant in Japan are swamping experts in search of advice, seeking radiation tests and donning facemasks.
Dozens of nuclear reactors operate in earthquake-prone regions around the world, including at least 14 in high-hazard areas, a Wall Street Journal analysis shows.
John Dowd, a lawyer for Galleon Group founder Raj Rajaratnam, came out firing as he grilled a star government witness in the insider-trading case against his client.
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New York Reps. Michael Grimm and Nan Hayworth—who both won office with tea party support—have recently angered some conservatives by voting for a budget compromise with Democrats.
As this year's South by Southwest film festival concludes Saturday, programmers for various New York film venues have begun taking stock of discoveries they hope to screen in the coming months. Three talked about some of their favorites.
U.S. radar-jamming aircraft and combat jets flew sorties Sunday to strike Gadhafi's ground forces and air defenses, as coalition forces moved quickly to impose a no-fly zone over Libya. Gadhafi defiantly called on the Libyan nation to rise up against what he called foreign aggression.
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Data on the U.S. housing market due this week isn't likely to be encouraging. That's good for the rental market, where demand is likely to outstrip supply through 2015.
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The week in essential news, analysis, photos and graphics.
In today's pictures, the crew of a nuclear submarine participates in a drill in Russia, an Israeli police officer is set on fire, Jean-Bertrand Aristide returns to Haiti and more.
When the weather forecast calls for April showers on Titan, the clouds of Saturn's largest moon rain methane, scientists reported.
Around the world, cities and citizens honored the patron saint of Ireland with shades of green and parades.
A new band of academics argue 125 million Eurovision fans can't be wrong. They say the campy, TV pop music competition is really a way to examine "the concept of European community."
It's harder than ever to get a case before the U.S. Supreme Court. But there are cases many justices find irresistible: fictitious ones.
The 111th Congress, which convened in 2009, is among the oldest in U.S. history. See detailed data since 1948 by Congress, house and party.
Compare results of the 2010 midterm election to the 2008 House of Representatives and see how economics and the health-care vote may have affected mood in some races.
In midterm elections Nov. 2, voters handed control of the House of Representatives to the Republican Party. See how race, gender, key issues and other factors affected voters' choices and compare to 2008 presidential exit polls.
Track state-by-state results at the district and county levels for House, Senate and governors' races. Also, access full lower-level race data.