U.S. President Donald Trump's defense secretary on Thursday said he did not see possible military collaboration with Russia now, in a blow to Moscow's hopes to mend ties with Washington after Trump's election.

• February 17, 2017

China and India accounted for more than half of the total number of global deaths attributable to air pollution in 2015, researchers said in a study published on Tuesday.

• February 14, 2017

U.S. lawmakers, including some leading Republicans, called on Tuesday for a deeper inquiry into White House ties to Russia, after national security adviser Michael Flynn resigned in President Donald Trump's biggest staff upheaval so far.

• February 14, 2017

The European Union's decision-making process should be changed to ensure states openly take a stand on controversial issues, the EU Commission proposed on Tuesday, in a move aimed at tackling growing euroscepticism.

• February 14, 2017

Republican and Democratic members of the U.S. House of Representatives called on Wednesday for the right to review any effort by President Donald Trump to ease sanctions on Russia, as a growing number of lawmakers worried over past contacts between his aides and Moscow.

• February 14, 2017

France said on Wednesday it would not accept interference by Russia or any other state in its presidential election, and would retaliate if necessary.

• February 14, 2017

The European Union is preparing an early summit with China in April or May in Brussels to promote free trade and international cooperation in the face of a more protectionist and inward-looking Washington, three EU officials said.

• February 14, 2017

Giving countries the option to leave the euro zone would make it impossible for the European Central Bank to reach all corners of the union with its monetary policy, ECB director Benoit Coeure said on Thursday.

• February 14, 2017