Putting a price on carbon emissions will help America reduce dependence on polluting fossil fuels and speed the transition to clean energy, Obama told a bipartisan group of senators Tuesday. Republicans decried that idea as a tax that will hurt the economy.
But the study also found more nuanced evidence that the most effective charter schools are those serving lower-income students, especially in urban areas.
The accused Russian spies arrested this week used a combination of very advanced methods and equipment as well as old-style spycraft like the 'dead drop.'
The Tesla Motors IPO sold out quickly, and shares of the company rose 41 percent in their first day of trading. But Tesla's ability to navigate the still-developing electric car market will be tested in the coming months.
Despite a string of visits this month from leaders in the Middle East, most recently King Abdullah of Saudi Arabia, peace in the region remains an unsolvable puzzle for the Obama administration.
Michael Kirkham is the second mixed martial arts fighter in 2-1/2 years to die of injuries sustained in a state-sanctioned fight. As critics denounce MMA as barbaric, defenders say it's no more dangerous than some other sports.
The effort to contain the Gulf oil spill has had more twists and turns than a mystery novel. This rundown of events so far also shows what is ahead in the struggle to clean up the Gulf of Mexico.
Actually, there could be limited fallout from the Russian spies case, some international experts say. For the most part, however, the ball is in Russia's court now.
General Petraeus told senators at his confirmation hearing that he supports President Obama's Afghanistan strategy, including its exit plan. But he also said US forces would remain in the country for the foreseeable future.
US pharmaceuticals giant Pfizer allegedly conducted nonconsensual drug tests on 200 Nigerian children, some of whom died. The Supreme Court Tuesday allowed a civil lawsuit against Pfizer to go forward.
Republicans still haven't gotten over the Democratic filibuster of President Bush's associate solicitor general, who was nominated for a federal judgeship in 2001. Now, in the Elena Kagan hearings, they're trying to take the high road.
In a decision Monday about patent protections, the Supreme Court failed to give specific guidance about which innovations qualify and which don't.
The FBI arrested 11 people last week in a Russian spy case, according to court documents unsealed Monday. The alleged spies were on 'long-term deep-cover assignments,' the documents say.
President Obama's national space policy, released Monday, focuses more on international approaches to space issues than previous presidents' policies.
Among Edward-obsessed teens lining up to see 'The Twilight Saga: Eclipse' are grown women equally taken by the teen love story.
The Supreme Court ruled Monday that a board overseen by the Securities and Exchange Commission operated under rules that violated the Constitution's separation of powers clause.
The death of Sen. Robert Byrd opens up room for the sixth Senate appointee since January 2009. Some states are considering whether a special election is a better option for selecting a senator.
Supreme Court refuses the Vatican's request for dismissal, allowing a priest sex-abuse case in Oregon to proceed against the Holy See. The complaint seeks money damages from the church.
A Supreme Court decision Monday threw doubt on a Chicago handgun ban. The ruling could lead to a spate of legal challenges against gun-control laws nationwide.
The Supreme Court on Monday agreed to hear a challenge to a 2007 Arizona law penalizing employers who hire undocumented migrants.