Chemical and Biological Warfare

Defense Secretary Jim Mattis suggested Thursday that a U.S. attack on Syria was not imminent.

The U.S. may launch a military response to the recent chemical attack.

U.S. Strategic Command recently passed the leadership role in counter-proliferation to SOCOM.

The U.S. Army is notifying vets that they may be eligible to receive care if they participated in testing from 1942 to 1975.

The U.S. is accusing President Assad's government of using sarin on civilians in an attack that killed more than 1,400.

The U.S. is preparing to send a specially outfitted ship to the Mediterranean to destroy Syria's stockpiles of chemical...

The U.S. used 12 aircraft, including a B-52 bomber, to hit a suspected ISIS chemical factory near Mosul, Iraq.

The MV Cape Ray and its crew arrived at U.S. Naval Station Rota, Spain, Thursday for what was likely to be a long wait to...

Initial information reported the shell contained sulfur-mustard blister agent, but more testing needs to be done for...

The administration says that U.S. intelligence has "varying degrees of confidence" that Syria has used chemical weapons.