Tucked away in a former military hangar in Denver sits one of the most impressive aviation collections you’ve probably never ...

Tear gas, the most widely deployed crowd-control weapon, can cause more harm than temporary irritation. Beyond burning eyes and skin, it has been linked to corneal ulcers and menstrual cycle ...

Russian opposition leader Alexei Navalny was poisoned with a rare lethal toxin found in poison dart frogs from South America, according to a joint statement from the UK, France, Sweden, the ...