A water treatment facility at the North Rim had been compromised by the fire, causing chlorine gas to fall towards the bottom of the canyon.

This Summer, “man’s best friend” comes in some surprising forms, from fire-breathing dragons to alien dogs. As fans fall for Toothless in How to Train Your Dragon, another unlikely companion is about ...

Superman, conceived in the Great Depression, was a New Deal socialist who answered those doubting democracy from Berlin to Brooklyn. In the 1940s, Radio’s “Adventures of Superman” changed the ...