The rankings were prepared after examining the volume of terrorist and rebel alerts, messaging traffic, and the number of killed and injure...

Al-Qaeda in the Arabian Peninsula said the packages it put aboard freight planes bound for the US in late October were never intended to ca...

Police investigating a terror attack that could have set off a deadly fireball in Times Square - a major tourist destination - focused on f...

Pakistan's Taliban chief promised attacks on major U.S. cities in a video apparently dated early April and released following the weekend's...

Osama bin Laden slammed Palestinian negotiations with Israel and urged holy war for the liberation of Palestine in a new audio tape.

A string of videos and audio messages have been issued by Al-Qaeda to mark the sixth anniversary of the September 11 attacks on the United ...