Turkey's row with Moscow over the downing of a Russian jet over Syria has not affected joint energy projects, Turkish President Tayyip Erdogan said on Saturday.

• December 5, 2015

Top U.S. arms makers are straining to meet surging demand for precision missiles and other weapons being used in the U.S.-led fight against Islamic State and other conflicts in the Middle East, according to senior U.S. officials and industry executives.

• December 5, 2015

Concerned about its assertive neighbor Russia, Estonia plans to upload much of its government data to computing clouds to guard against security threats, enabling the Baltic state to be run from abroad if necessary.

• December 4, 2015

Israel has quietly tested ways of defeating an advanced air-defence system that Russia has deployed in the Middle East and that could limit Israel's ability to strike in Syria or Iran, military and diplomatic sources said.

• December 4, 2015

Britain joined U.S.-led air strikes against Islamic State in Syria on Thursday, but Vladimir Putin issued bitter new denunciations of Turkey for shooting down a Russian plane, demonstrating the limits to international solidarity.

• December 4, 2015

Britain joined U.S.-led air strikes against Islamic State in Syria on Thursday, but Vladimir Putin issued bitter new denunciations of Turkey for shooting down a Russian plane, demonstrating the limits to international solidarity.

• December 3, 2015

Oil-producing countries looked unlikely to reach a deal to lift languishing prices at a meeting on Friday after Iran, Iraq and Russia swiftly rejected a surprise proposal that appeared to have been floated by Saudi Arabia.

• December 3, 2015

Turkey's leaders have mounted a charm offensive among regional energy producers in an effort to diversify supplies as relations with major natural gas provider Russia crumble following the downing of a Russian warplane by the Turkish airforce.

• December 3, 2015