Osama bin Laden endorsed the failed attempt to blow up a U.S. airliner on Christmas Day and threatened new attacks against the United States in an audio message released Sunday that appeared aimed at asserting he maintains some direct command over al-Qaida-inspired offshoots.
However, U.S. officials and several researchers who track terrorist groups said there was [...]

A roadside bomb killed four American soldiers in eastern Afghanistan on Sunday — new evidence of rising violence in a region where clashes and attacks in the first two months of 2009 more than doubled from the same period a year ago.
The spike in violence along the border is an early indication that roadside bombs [...]

Palestinian militants detonated a bomb targeting an Israeli army patrol along the Gaza border, the Israeli military said, in the first violence since a cease-fire went into effect more than a week ago.
Heavy gunfire was audible along the border in central Gaza and Israeli helicopters hovered in the air, firing bursts from their machine guns, [...]