Top U.S. and Chinese officials will convene this week in Washington for the first round of cyber security talks following the signing of a bilateral anti-hacking accord in September.
U.S. President Barack Obama urged his Turkish counterpart on Tuesday to reduce tensions with Russia while stressing U.S. support for its NATO ally's security.
World leaders launched an ambitious attempt on Monday to hold back rising temperatures, with the United States and China leading calls for the climate summit in Paris to mark a decisive turn in the fight against global warming.
Two senior U.S. senators called for Washington to nearly triple military force levels in Iraq to 10,000 and send an equal number of troops to Syria as part of a multinational ground force to counter Islamic State in both countries.
More than 150 world leaders arrived at United Nations climate change talks in Paris armed with promises and accompanied by high expectations as they look to hold back the Earth's rising temperatures.
Nearly one-third of the Republicans in the House of Representatives signed a letter calling on party leaders to ensure that a must-pass spending bill block any use of federal funding to resettle refugees from Syria and nearby countries.
French President Francois Hollande said the U.S. and France have agreed to step up strikes in Syria and Iraq to target Islamic State militants after the deadly Nov. 13 attacks in Paris.
U.S. warplanes have struck Islamic State's oil infrastructure in Syria in a stepped-up campaign of economic warfare that the U.S. estimates has cut the group's black-market earnings from oil by about a third.
Secretary of State John Kerry said on Monday the United States could broaden military cooperation with Russia in Syria, but that such a move should not deter opposition groups trying to topple Syrian President Bashar al-Assad.
Next week, in the waning days of what is set to be the hottest year on record, world leaders meet on the outskirts of Paris for a summit that seeks nothing less than to steer the global economy away from its ever-growing reliance on fossil fuels.
U.S. President Barack Obama launched a defense on Friday of a signature Pacific trade pact kept largely under wraps and said the public would get its say before legislators in each country debate the full details.
The House of Representatives overwhelmingly passed Republican-backed legislation on to suspend the program to admit 10,000 Syrian refugees in the next year and then intensify the process of screening them.
Abdelhamid Abaaoud, a 28-year-old Belgian militant, who had boasted of mounting attacks in Europe for the Islamic State, was accused of orchestrating Friday's coordinated bombings and shootings in the French capital, which killed 129 people.
House Republican lawmakers defied President Barack Obama on Wednesday and laid out plans to tighten screening of Syrian refugees after the Paris attacks, in a political fight that challenges the U.S. view of itself as a refuge for downtrodden immigrants.
A woman suicide bomber blew herself up and another militant died on Wednesday when police raided an apartment in the Paris suburb of St. Denis seeking suspects in last week's attacks in the French capital.
The Syrian refugee crisis is dividing American politicians, given the choice between yielding to fears of importing terrorists or honoring the United States' traditional welcoming role.
France and Russia both staged air strikes on Islamic State targets in northern Syria on Tuesday as Paris formally requested European Union assistance in its fight against the group behind last Friday's bloody attacks on the French capital.
Republicans could use a must-pass spending bill to block President Barack Obama's plan to accept Syrian refugees, saying the Paris attacks prove they pose too much of a threat.
U.S. President Barack Obama on Monday ruled out a shift in strategy in the fight against the Islamic State despite the deadly attacks in Paris last week, saying putting U.S. troops on the ground to combat the group "would be a mistake."
President Barack Obama vowed to step up efforts to eliminate ISIS and prevent more attacks like those in Paris, while urging Russia's Vladimir Putin to focus on combating the jihadist group in Syria.