The public is invited to pay their respects to slain American journalist Steven Sotloff at a service in his Florida hometown Friday.
U.S. Secretary of State John Kerry says a new Iraqi government will also help stop ISIS.
The British aid worker, a captive of the Islamic State, was kidnapped in March 2013 in Syria near the Turkish border.
Abu Hajar al-Sufi, believed to be a member of Baghdadi’s inner circle, is among those believed to have been killed in airstrikes in Mosul.
The United States is using the propaganda video to fight the Sunni militant group on social media.
The international community is nervous that ISIS could gain control of one of the remaining 12 chemical weapons facilities in the country.
Possible 2016 U.S. Presidential candidates including Hillary Clinton, Rick Perry and Marco Rubio have slammed ISIS.
Rasmussen's comments stepped up Western rhetoric against Moscow and set the tone for the two-day meeting.
Britain has so far carried out aid drops and surveillance and transported military supplies to Kurdish regional forces.
Since the rise of Islamic State, and the emergence of Islamist groups in Africa and elsewhere, al-Qaeda's clout among jihadists has been waning.
Sen. Rand Paul urged President Obama to bring the case for intervention in Syria to Congress.
A movement that started in Lebanon has people taking to the streets to burn the Islamic State flag, a bold yet dangerous move.
As the NATO summit begins, Saudi media reports that Jordan has handed over secret documents about the ISIS threat to the country.
The nation Steven Sotloff was a citizen of can do without a confrontation with another terrorist group.
A majority of Americans favor airstrikes against ISIS in Syria, but President Obama doesn't have a strategy yet.
After Steve Sotloff was beheaded by ISIS militants on Tuesday, Congress appears to be warming to U.S. military action in Syria.
Steven Joel Sotloff hid his Judaism from his captors. Israel confirmed that he was a citizen.
If the claim is proven, it will be the first time a Chinese citizen has been caught fighting for the violent Islamist group in the Middle East.
The U.S. confirmed the authenticity of a video of the execution of journalist Steven Sotloff, while Britain also confirmed it to be genuine.
Last year, the US Congress was wrestling with the question of aiding rebel groups like ISIS against Syrian President Bashar Assad.
The northern French port town has seen a flood of immigrants fleeing war and famine, and trying to get to the UK.
David Haines, who worked as a security expert with a number of aid agencies, was abducted in Syria in early 2013.