The Somali group has historic ties to Al-Qaeda, but now ISIS is making a play for its support.

Osama bin Laden's successor accuses ISIS leader of "sedition." — -- Just ahead of the fourteenth anniversary of al Qaeda's 9/11 attacks on the U.S., the leader of the terrorist group took aim ...

While ISIS and al-Qaida, as centralized organizations, may be sworn enemies, things may be more fluid for their adherents around the world, who share a common ideology and common goals.

New report says support between some al Qaeda and ISIS members in preparation for attacks poses "a potential new threat" in some regions ...

Pentagon report says al-Baghdadi death had little impact on ISIS leadership and operations The inspector general said ISIS' capabilities in Syria "remain the same." ...

Concerned about Islamic State sleeper cells in Syria, neighboring Jordan is cautiously hoping the country's interim president, Ahmed Al-Sharaa, will support international efforts to combat ISIS.

Militant leaders from the Isis and al-Qaeda terrorist groups have agreed to stop fighting each other in order to join against their opponents.

The US terrorism report reveals a growing threat from ISIS and al-Qa'ida, despite setbacks. Their decentralized plotting, particularly in Africa, allows them to exploit vulnerabilities and launch ...

US and Syrian forces have captured an ISIS leader, Khaled Ahmed al-Dandal, who helped other terrorists when they escaped a detention facility in Syria, US Central Command said Tuesday.

The US military eliminated "a number of ISIS members" – including one of the terrorist group's top operatives – in a Wednesday strike in northern Somalia, the Pentagon announced.

With the fall of al-Assad’s regime, the risk of an ISIS resurgence increases.

WASHINGTON -- A U.S. airstrike in western Iraq on Thursday killed the ISIS chief of global operations who also served as ISIS second in command, Abdallah Makki Muslih al-Rifai, also known as "Abu ...