Nine Republican presidential contenders will share stage Tuesday in Las Vegas as voter concerns shift from economy to terrorism
The former heavyweight champ urged his fellow Muslims to push back against 'those who use Islam to advance their own personal agenda'
Constitutional scholars object to GOP presidential candidate Donald Trump’s call for ban
Addressing fellow citizens in wake of Paris and California attacks, US president reassures Americans 'freedom is more powerful than fear'
President Barack Obama said Thursday that terrorism or a workplace dispute could have motivated a couple to carry out a deadly shooting rampage at a holiday party in San Bernardino that left 14 people dead, 17 others injured
'Specialized' force will help Iraqi, Kurdish peshmerga forces increase pressure on Islamist militants, Pentagon chief Carter tells lawmakers
Mark Zuckerberg and his wife said they will give away 99 percent of their Facebook shares during their lifetimes
New measures to allow Homeland Security to immediately collect more information from travelers about past visits to countries the US consider to be a ' terrorist safe haven'
US President Barack Obama urged world leaders to 'rise to this moment' Monday, telling them their progress at UN climate summit in Paris will be measured by averted suffering, preserved planet
Deadly Paris attacks have pushed security to top tier of US voter concerns in current presidential election campaign, new poll shows
In remarks during visit to United Arab Emirates, US top diplomat cites united front, strategy in place and escalation of effort as basis for belief
As officials seek to reassure American public, lawmakers say that even though US is harder to reach, it's very much in terrorists' crosshairs