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.
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.
Saudi Arabia announced the coalition Tuesday, releasing a list of 34 predominantly Muslim countries from as far as Malaysia.
French police have launched 2,700 raids across the country, following the terror attacks at six sites around the city on Nov. 13.
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.
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.
The Nigerian Supreme Council for Islamic Affairs urged authorities "to exercise restraint" after raids on a minority sect.
This is the highest percentage of Americans who see terrorism as the most important problem facing the U.S. in a decade.
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.
There's little hope of rebel unity without including significant groups on the ground, negotiations in Riyadh reveal.
At least four malls across the U.S. were evacuated Saturday, hitting retailers during the height of the holiday season.
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?
Demonstrators opposed to Britain's decision to launch airstrikes targeting the Islamic State group took to the streets Saturday.
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.
Two foreigners, including a Spanish security officer, and four Afghan police were killed in the attack that lasted into the early hours of Saturday.
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.
As Donald Trump draws criticism for his anti-Muslim rhetoric, "race realists" say the GOP front-runner is giving a voice to their concerns.
Human rights activists gather to protest against Donald Trump's recent comments on banning Muslims from entering the U.S. Natasha Howitt reports.
A car bomb was detonated near the embassy in Afghanistan Friday and gunmen stormed a building nearby. The Taliban claimed responsibility, but that has not been verified.
"This is a difficult message to convey, as it risks burdening women with guilt and responsibility," England's chief doctor says.
German authorities have said the Paris terror attack suspect could be in Morocco.
The hacktivist group has begun its "day of rage" campaign against the Islamic State group by posting mocking images on Twitter, Instagram and Facebook.