According to a poll released Monday, 63 percent of Americans were afraid that an attack similar to those in Paris could happen near them.
ISIS threatened “to cut the tongue of anyone who publicly used the acronym Daesh," the AP wrote in September 2014.
Some country's in the bombing coalition in Syria are operating on the basis of self-defense, but because ISIS is not an actual state it makes the legal justification less clear.
Even as the Islamic State group develops new methods of evading financial sanctions, experts say attacks like those in Paris could happen with financial independence.
In the wake of the Paris attacks, French conservatives are calling for the country's 11,500 suspected extremists to be fitted with tracking devices -- or deported.
At least 14 states announced Monday that they would not accept Syrian refugees after a Syrian passport was found with a deceased Paris assailant.
About 20 heads of state met Saturday to discuss a resolution to begin negotiations between Syrian President Bashar Assad's administration and opposition groups.
The U.S. has already admitted 1,854 Syrian refugees since the civil war began four years ago, placing them mostly in Syrian immigrant enclaves to ease integration.
The U.S. and Russia will have a better chance of defeating ISIS if they overcome acrimony and instead share insights, information and data, CIA Director John Brennan said.
Just one day after the deadly attacks Friday, people began posting photos of themselves “en terrasse” in cafes and restaurants around the City of Light.
During prime time Friday, Fox pulled around 4.4 million total viewers, while CNN drew 3.1 million and MSNBC about 1.2 million, according to Nielsen.
Human rights advocates and others are warning of overreach as political leaders react to Friday's massacre in Paris.
Despite ISIS' claims of advanced cyberskills, it would likely take a state-sponsored hack to infiltrate the most critical infrastructures in the U.S., tech analysts say.
Muslim students in France have banded together to create a moving viral video that condemns Friday's terrorist attacks in Paris.
Jeb Bush and others want Congress to renew a provision that broadens the surveillance powers of the National Security Agency. But opponents say not so fast.
With terrorism a more urgent concern ahead of the Paris climate conference, global leaders may have more resolve than ever to agree on aggressive action.
Africans, who already grapple with tougher immigration policies compared with other refugees and migrants, may now face even more obstacles in Europe, some say.
Hillary Clinton's experience as secretary of state could give her an advantage as terrorism returns to the top of the agenda.
Foreign Minister Margot Wallstrom compared the situation of Palestinians under Israel to the conditions fostering Islamic extremism.
All Defense Department personnel are prohibited from unofficial travel to Paris, and travel elsewhere in France requires the permission of a general officer.
Although federal authorities downplayed threats made in a recently released video, more police were deployed to the streets of Washington, D.C.
The fire deliberately set at a Peterborough, Ontario, mosque over the weekend is thought to be a hate crime in retaliation for the Paris terror attacks.