"With potassium bromate, the World Health Organization has concluded that there's a cancer concern there." How worried should ...

Solid rocket fuel contains an oxidizing agent such as potassium perchlorate or sodium perchlorate. The Kheibar Shekan is an Iranian medium-range solid-fuel ballistic missile. According to the ...

A missile is launched during an air defence drill in an undisclosed location in Iran. Intelligence officials say chemicals are being shipped to the Islamic Revolutionary Guard Corps, the elite arm ...