Expert says Sunday's announcement is declaration of war against Al-Qaeda's central command.
Fears are growing terrorists with valid U.S. or European passports will be able to organize attacks.
The Iraqi military forces were aided by Shiite volunteers and local Sunni tribal militias.
Looking to celebrate Independence Day with a road trip? It's going to cost you.
Government officials try to stem the tide of growing ISIS support.
A U.N. panel has concluded a shipment of weapons seized by Israel came from Iran and represents a violation of the arms embargo on Iran.
The Turkish government sent legislation to parliament that could signal its support for an independent Kurdistan.
Chinese workers -- and oil investment -- are in jeopardy in Iraq after ISIS attack.
U.S. government sources say private security firms in Iraq have not had immunity from prosecution since 2008.
The drones will not attack ISIS militants, but they will defend security teams if necessary.
"Calamity Will Befall US," warns the hashtag.
President Obama asked Congress for more money to train the moderate opposition in Syria. Will it help stop ISIS?
Iraqi forces launched an airborne assault on rebel-held Tikrit on Thursday with commandos flown into a stadium in helicopters, at least one of which crashed after taking fire from insurgents who have seized northern cities.
The increasingly strict social media blackouts in Iraq have forced citizens who wish to communicate online to download Tor, a software that makes it possible for anyone with the Internet to browse the Internet anonymously.
In an effort to assuage concerns that certain equipment given to the Syrian opposition might ultimately fall into enemy hands, rebels would be vetted before receiving assistance, a White House statement said, according to the new agency.
Reports surfaced Thursday that Syrian warplanes attacked Sunni militants in Iraq.
ISIS has loads of cash, new guns, vehicles and aircraft, but will it do the group any good?
The Iraqi prime minister feels he has more to lose than to gain by working with Sunnis and Kurds. Does the U.S. have any leverage?
Iran and the U.S. are both working with the Iraqi government to repel ISIS fighters but deny they are working together.
Maliki said the formation of an emergency government would "steal the votes of the voters."
John Kerry urged leaders of Iraq's autonomous Kurdish region on Tuesday to stand with Baghdad in the face of the onslaught.
ISIS, in a short span of a few days, has taken over vast swathes of Iraq's north and now controls the country's western border.