Islamic State of Iraq and Syria - ISIS

The U.S. military was standing aside while Syrian regime forces backed by Russian airstrikes continue an assault on Aleppo...

NATO's commander warned that ISIS fighters hiding in the refugee flows from Syria posed an increasing terrorist threat

The Pentagon was pushing President Obama to approve sending more U.S. troops to Iraq to back up the offensive to retake Mosul...

The much-awaited liberation of Mosul from ISIS stalled late last month almost as soon as bullets flew, when Iraqi government...

Navy SEAL Charles Keating IV was the third servicemember killed in Iraq since U.S. forces returned there in 2014.

An Army officer was shot and killed in the Orlando nightclub while a Marine veteran of Afghanistan helped others to escape.

The huge airbase use for US airstrikes against ISIS was effectively closed Saturday.

The U.S. military has become increasingly upfront in claiming success against ISIS and its offshoots from Afghanistan to...

The death of a sailor who was deployed in the central Mediterranean is under investigation, officials announced Thursday.

The fall of Mosul will set in motion yet another training cycle for the Iraqi Security Forces.