KABUL (Reuters) - Afghan President Hamid Karzai appealed for calm Wednesday after officials said six people were shot dead and dozens wounded in protests over the burning of copies of the Koran, Islam's holy book, at NATO's main base in the country. The U.S. embassy said its staff were in...

AMMAN/BEIRUT (Reuters) - Syrian President Bashar al-Assad's forces rained rockets and bombs down on opposition-held neighborhoods of the city of Homs on Wednesday, reducing buildings to rubble and killing more than 80 people, including two Western journalists. The barrages marked an intensification of a nearly three-week offensive to crush resistance...

A train packed with morning commuters slammed into a downtown station on Wednesday, killing 49 people and injuring hundreds as passenger cars crumpled and windows exploded around them. It was Argentina's worst train accident in decades.

MOSCOW (Reuters) - Vladimir Putin praised Cold War-era scientists on Thursday for stealing U.S. nuclear secrets so that United States would not be the world's sole atomic power, in comments reflecting his vision of Russia as a counterweight to U.S. power. Spies with suitcases full of data helped the Soviet...

(Reuters) - U.S. and European officials are downplaying allegations that Iran and al Qaeda have recently stepped up cooperation in preparation for possible attacks on U.S. and other Western targets. The officials, who are familiar with security issues, and private experts, discounted recent news reports about a possible new deal...

BUENOS AIRES (Reuters) - A packed commuter train plowed into the buffers at a Buenos Aires station during Wednesday's morning rush hour, killing at least 49 people and injuring more than 600 in Argentina's worst rail crash in three decades. Passengers said the force of the collision propelled the second...