Despite recent rebel setbacks in Syria's civil war, the main opposition bloc signaled a tough line Tuesday on attending possible peace talks with President Bashar Assad's regime.

Sprint Nextel Corp. is offering 14 percent more than before for the stake in wireless data network operator Clearwire Corp. it does not already own, but a large shareholder said the offer was still inadequate.

The man who led the Internal Revenue Service when it was giving extra scrutiny to tea party and other conservative groups seeking tax-exempt status told Congress on Tuesday that he knew little about what was happening while he was still commissioner.

Is Pope Francis an exorcist?

Microsoft thinks it has the one.

Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla. And when they did, the awesome amount of energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.

Iran's election overseers removed potential wild card candidates from the presidential race Tuesday, blocking a top aide of outgoing President Mahmoud Ahmadinejad and a former president who revived hopes of reformers.

Shareholders of JPMorgan Chase voted Tuesday to let Jamie Dimon keep both the chairman and CEO roles, but they signaled that the bank needed better oversight, giving only narrow approval to three of the bank's board members.

Microsoft thinks it has the one.

Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla. And when they did, the awesome amount of energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.

Residents sift through the remnants of their homes and parents embrace children outside a demolished elementary school. Emergency workers tend to the wounded.

The stock market turned higher Tuesday as investors banked on continued policy support from the Federal Reserve. Two big retailers also topped Wall Street expectations for the most recent quarter.

Residents sift through the remnants of their homes and parents embrace children outside a demolished elementary school. Emergency workers tend to the wounded.

The 50th Super Bowl will be held in the San Francisco Bay Area and the NFL championship will go to Houston the following year.

Microsoft thinks it has the one.

A high-tech startup is wading into the gun control debate with a wireless controller that would allow gun owners to know when their weapon is being moved _ and disable it remotely.

Tea party activists waving flags and signs, singing patriotic songs and chanting anti-IRS slogans protested outside federal buildings across the country Tuesday to protest the agency's extra scrutiny of conservative groups.

Energy Secretary Ernest Moniz said Tuesday he will put on hold about 20 applications to export liquefied natural gas until he reviews studies by the Energy Department and others on what impact the exports would have on domestic natural gas supplies and prices.

Emergency crews searched the broken remnants of an Oklahoma City suburb Tuesday for survivors of a massive tornado that flattened homes and demolished an elementary school. At least 24 people were killed, including at least nine children, and those numbers were expected to climb.

Jodi Arias asked jurors Tuesday to give her life in prison, saying she "lacked perspective" when she told a local reporter in an interview that she preferred execution to spending the rest of her days in jail.