A war weapon used in World War One went on to become a key component in treating blood cancer with chemotherapy ...

In 53 years of Assad family rule, Syria’s government made chemical weapons by the ton, from giant vats of World War I-era mustard gas to nerve agents so deadly that just a few drops could kill.

Inhalation of mustard gas can cause chest pain, coughing, and shortness of breath and can lead to death. (Also see, the government is worried about these biological weapons.) ...

At the rate of one or two a year, World War II-era chemical weapons, often with mustard gas inside, keep turning up in Delaware.

The final round of America's largest stockpile of Cold War-era mustard gas shells has been destroyed, bringing the country closer to fulfilling a nearly three-decade-old treaty banning chemical ...

The number, far higher than any previous estimate, poses a test for the new government. Experts fear that sarin, chlorine and mustard gas stockpiles could be unsecured.

The use of prohibited chemical weapons by the Russian military had become "standardized and commonplace" in Ukraine, Dutch ...

In a joint statement, the German intelligence agency (BND) and the Dutch intelligence agencies (MIVD and AIVD) stated that ...

Iran has developed chemical weapons based on synthetic opioids such as fentanyl, warns a US expert, powerful agents that could incapacitate soldiers or civilians when added to grenades or artillery.

Foundations From Chemical Weapon to Chemotherapy, 1917–1946 Mustard gas blistered men’s bodies on the battlefield, but paved the way for cancer-fighting drugs.

Military analysts believe this hostile country has 2,500-5,000 metric tones of chemical weapons, including mustard, phosgene, and nerve agents. They are also suspected of having biological weapons ...

In 53 years of Assad family rule, Syria’s government made chemical weapons by the ton, from giant vats of World War I-era mustard gas to nerve agents so deadly that just a few drops could kill ...