Army Maj. Nidal M. Hasan exchanged e-mails with a radical Yemeni American cleric and began to discuss surreptitious financial transfers, according to two sources.

The U.S. has spent $53 billion for relief and reconstruction in Iraq, but Iraqis' inability to maintain what's left behind could waste hundreds of millions of dollars and jeopardize basic services.

A gas explosion at a coal mine in northern China has killed 31 people and trapped 82, authorities say.

A civil rights organization says it has identified at least 50 new right-wing militia groups that have formed within the last two years, in part coinciding with the advent of the Obama administration.

Scientists circulated beams of protons in the world's largest atom smasher Friday night for the first time after a year of repairs caused by a spectacular failure after the $10 billion machine was heavily damaged by a simple electrical fault.

Orange use 22-1 run to start second half to crush defending champions 87-71.

Two fingers and a tooth removed from Galileo Galilei's corpse in a Florentine basilica in the 18th century and given up for lost have been found again and will soon be put on display.

Officials report the arrest of dozens of people who barricaded themselves in a building on the University of California campus at Berkeley to protest an increase in student fees and budget cuts.

Italian police on Saturday arrested two Pakistani men accused of providing logistical support for last year's terror attacks in Mumbai, officials said.

The Justice Department intends to drop manslaughter and weapons charges against one of the Blackwater Worldwide security guards involved in a deadly 2007 Baghdad shooting.