2 female suicide bombers kill 13 in Nigeria
ISIS-affiliated Boko Haram group kills 162 in a week following a call to step up violence during Ramadan
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ISIS-affiliated Boko Haram group kills 162 in a week following a call to step up violence during Ramadan
As Americans celebrate country's 239th birthday, an increased threat of ISIS-inspired plots will see thousands of extra officers on duty
Tariq bin Tahar al-'Awni al-Harzi was in charge of moving fighters and weapons into Syria and Iraq, official says
Airstrikes kill extremists in Sinai Peninsula a day after unprecedented assault by ISIS-linked militants
Following recent calls for ISIS followers to attack "nonbelievers" in coming weeks, NYPD's John Miller said department is in the middle of one of their biggest operations ever
Extremists quickly repelled in attempt to reclaim ground recently taken by Kurdish fighters in a major strategic loss for the terror group
Terror group has beheaded female Kurdish fighters before; but believed to be first time civilian woman executed
Yassin Salhi is suspected of beheading his boss at a French gas factory on Friday
ISIS, the savage Islamic extremist group holding territory straddling two countries, declared itself an independent state one year ago
Arrest of 23-year-old Alaa Saadeh comes as FBI investigates several people in New York and New Jersey
Main problem has been finding enough Syrian recruits untainted by extremist affiliations or disqualified by physical or other flaws
Michael Morell says the "serious" warning about potential holiday weekend attacks is different this year because of ISIS' growing reach
One hotel employee risked his life, following Seifeddine Rezgui around the resort as the gunman mowed down 38 innocent people
Although the gunman acted alone, authorities are looking for others who they say helped him with the assault
ISIS claims credit for gunman's assault on beach resort as thousands of tourists plan to leave North African country
Young man unfurls an umbrella and pulls out Kalashnikov, opening fire on European sunbathers; ISIS claims credit
Interior Ministry says at least 27 killed, more than 200 wounded by explosion targeting Shiites during Muslim holy month of Ramadan
Authorities say attack aimed to use vehicle to blow up gas factory on industrial complex; multiple people detained
Thousands flee Hassakeh while activists says dozens of bodies left in streets after 2 days of fighting in Kobani
Militants launch attacks in 2 places close to Turkish border, including 1 where U.S. air power helped turn them back almost a year ago
President Obama says families of Americans held overseas "told us that they, at times, felt like an afterthought. And that ends today"
One of the destroyed tombs belongs to a descendant of Islam's Prophet Muhammad's cousin, official says
Defense Secretary Ash Carter tells CBS News' Margaret Brennan that finding Syrians who want to fight ISIS - rather than the Syrian regime - is difficult
The U.S. government has struggled to contain the jihadists' success in the online sphere
Ali Awni al-Harzi, who was suspected of playing a role in the attack on the U.S. outpost in Benghazi, died last week in Mosul, Pentagon officials say