Some Republicans saw the removal of Iraq's Saddam Hussein as a necessary step, while others said the U.S. should have focused on its own problems.
Abigail Abrams
Dec 15, 2015
On Tuesday, the Florida senator faced fire from Sen. Rand Paul, who charged that Rubio's positions were more in line with liberals than conservatives.
Abigail Abrams
Dec 15, 2015
During Tuesday's debate, Santorum referenced reports of an ISIS fatwa that have never been confirmed.
Jess McHugh
Dec 15, 2015
The fifth face-off of the party's presidential candidates was expected to focus heavily on terrorism. Click here for updates throughout the evening.
Abigail Abrams
Dec 15, 2015
Islam is both a religion and a form of government, the former U.S. senator from Pennsylvania argued during Tuesday's "undercard" Republican debate.
Abigail Abrams
Dec 15, 2015
France, which has been involved in U.S.-led coalition airstrikes in Iraq since September 2014, on Tuesday hit targets in the west of the country.
Christopher Harress
Dec 15, 2015
U.S. officials estimate that the Islamic State group takes in as much as $40 million from taxation per month, equaling its oil profits over the same period.
Christopher Harress
Dec 15, 2015
Saudi Arabia announced the coalition Tuesday, releasing a list of 34 predominantly Muslim countries from as far as Malaysia.
Michael Kaplan
Dec 15, 2015
French police have launched 2,700 raids across the country, following the terror attacks at six sites around the city on Nov. 13.
Vishakha Sonawane
Dec 15, 2015
Mohamed Yousef ElShinawy had been communicating with Islamic State group terrorists overseas who sent him money, possibly to carry out an attack or travel to Syria.
Abigail Abrams
Dec 14, 2015
The terror group has lost some 40 percent of the area it once controlled in Iraq, and it will lose more, the U.S. president said Monday.
Abigail Abrams
Dec 14, 2015
The Nigerian Supreme Council for Islamic Affairs urged authorities "to exercise restraint" after raids on a minority sect.
Morgan Winsor
Dec 14, 2015
This is the highest percentage of Americans who see terrorism as the most important problem facing the U.S. in a decade.
Abigail Abrams
Dec 14, 2015
The extremist organization, which has inspired or directed attacks in six countries in recent months, has reportedly lost about 20,000 people to airstrikes in Iraq and Syria.
Julia Glum
Dec 13, 2015
There's little hope of rebel unity without including significant groups on the ground, negotiations in Riyadh reveal.
Alessandria Masi
Dec 13, 2015
At least four malls across the U.S. were evacuated Saturday, hitting retailers during the height of the holiday season.
Lydia Tomkiw
Dec 12, 2015
The activist collective asked the social media world Friday to mock the Islamic State group using Facebook, Twitter and Instagram. Will it make any difference?
Adam Lidgett
Dec 12, 2015
Demonstrators opposed to Britain's decision to launch airstrikes targeting the Islamic State group took to the streets Saturday.
Michael Kaplan
Dec 12, 2015
Germany already has agreed to provide six reconnaissance jets, refueling aircraft, a frigate and as many as 1,200 troops, but it has not planned any airstrikes.
Reuters
Dec 12, 2015
Two foreigners, including a Spanish security officer, and four Afghan police were killed in the attack that lasted into the early hours of Saturday.
Reuters
Dec 12, 2015
The U.S. and Iraqi governments have worked to stem ISIS revenue, but the group has continued to benefit from up to $1 billion looted from banks.
Michael Kaplan
Dec 11, 2015
As Donald Trump draws criticism for his anti-Muslim rhetoric, "race realists" say the GOP front-runner is giving a voice to their concerns.
Abigail Abrams
Dec 11, 2015
