As lethal chlorine clouds rolled across European trenches in 1915, frontline infantrymen battled advanced asphyxiation tactics by relying purely on crude, powder-laced felt masks.

After World War I an international convention in Geneva met to discuss the use of gas as a weapon and develop rules for its use. The agreement reached in 1925 was titled "Protocol for the Prohibition ...

Texans have a complicated relationship with rattlesnakes. They’re beautiful, venomous and frightening. And for people who work the land, they have always represented a mortal peril. A century ago, the ...

Poisonous gasses are leaking in some Texas communities, and residents are desperately trying to get help, but to no avail. The latest investigative report from the Houston Chronicle, in partnership ...