ISIS leader confirmed killed by U.S. forces
The U.S. had been tracking Abu Sayyaf for months
Islamic State of Iraq and the Levant
U.S. probing whether slain ISIS leader held American hostage
Key ISIS leader killed by U.S. commandos may have held American hostage Kayla Mueller, whose death was announced in February
Battle for Ramadi is only likely to get worse
In the wake of ISIS militants' bloody capture of a key Iraqi city, there are fears that an effort to retake it could make matters worse
Ex-Pentagon chief: ISIS fight strategy "needs to be changed"
As terror group's claim on key Iraqi territory grows, Robert Gates says U.S. troops should be used differently to ensure success
Lindsey Graham on why he's running in 2016
The South Carolina senator said he'll officially announce whether he is running for president on June 1
Carnage in Ramadi after ISIS' takeover
Officials say hundreds of civilians and troops massacred in key city, now in ISIS hands despite U.S. airstrikes, and worse could be in store
ISIS captures all of Ramadi in Iraq
Iraqi PM prepares to send in Shiite militias to Sunni-dominated Anbar province after reports of Iraqi troops abandoning their posts and weapons
GOP congressman: Obama must do more than contain ISIS
House Intelligence Committee Chairman Devin Nunes said that outside of Iraq and Syria, the administration isn't doing enough
Syria claims to have pushed ISIS from Palmyra
Town that is home to famed 2,000-year-old ruins also sits on important highway intersection; Assad regime claims to fire on retreating ISIS forces
Inside the U.S. raid that killed a key ISIS leader
Pentagon officials detail Delta Force mission in eastern Syria that killed "Chief Financial Officer of ISIS"
Senior ISIS leader killed in U.S. raid in Syria
U.S. commandos mount rare raid into eastern Syria with goal of capturing senior ISIS commander
ISIS seizes government compound after "vicious attack" in Ramadi
Mayor says ISIS militants are now attacking the Anbar Operation Command, the military headquarters for the province
Washington Post mobile site hacked
The mobile site of The Washington Post was hacked Thursday by attackers claiming to be part of the Syrian Electronic Army
ISIS releases audio message purportedly from leader
Abu Bakr al-Baghdadi, who exhorts all Muslims to take up arms and fight, has not been seen or heard from in months
Iraqi Kurdish commander who helped lead fight against ISIS killed
Maj. Gen. Salah Delmani killed along with his two bodyguards when a bomb detonated near his car
Gen. McChrystal on fighting ISIS, creating "radical" transparency in military
In his new book, retired Army general proposes a military environment that emphasizes sharing information and "empowered execution"
Virginia woman sentenced for lying about ISIS bomb plot
Heather Coffman had online romance with teen and tried to help him get to Syria, according to court papers
Morell "wanted to apologize" to Powell about WMD evidence
"We were wrong", says former CIA Deputy Director Michael Morell in his new book about agency's evidence that made case for Iraq war
The shrinking Gulf states summit
How significant will the Saudi monarch's absence from the Gulf Cooperation Council meeting be this week at Camp David?
ISIS threat prompts U.S. military bases to raise security level
Pentagon spokesman says increased security was ordered in wake of Texas attack and social media chatter
FBI issued warning ahead of Texas attack
Bureau says it sent photo of Elton Simpson to Garland Police before Simpson attacked Muhammad art contest
U.S. troops begin training Syrian rebels to fight ISIS
More than 3,750 Syrian fighters have volunteered for the training, and about 400 have completed the prescreening
Texas attack fuels fear of lone-wolf terror attacks inspired by ISIS
Lawmaker says federal authorities are aware of "thousands" of potential extremists living in the U.S
"Draw Muhammad" contest organizer faces new threat
Police assessing online threat by suspected ISIS member calling for Pamela Geller's "slaughter," and warning Texas was just a 1st attempt
Gunmen in Texas attack left terror trail on Internet
ISIS propaganda machine has been working overtime praising failed attack on anti-Islamic event
Exclusive
U.S. may have withheld warnings to Ukraine on deadly Kyiv strikes
Pope's cancer prognosis may depend on these factors, doctors say
Ilhan Omar's relatives subpoenaed as part of immigration probe
Live
Houthis launch new attack on Saudi capital as Trump mulls strikes
911 call shows Hayden Panettiere was given CPR on day she died
U.S. banks dropped customers over political views, regulator says
Florida man charged with murder in ex-fiancée's 2011 disappearance
Iran and Russia blamed for growing list of hybrid attacks in Europe
Exclusive