Mars is the Red Planet, but turns out the moon has the makings of a reddish cast, too. Yes, scientists have found rust on the moon. The question is: why?

In spite of the advanced coatings and alloys developed by chemists and engineers, iron’s unstable chemical makeup means it will always succumb to rust in a natural environment. In fact ...

(Originally, reduction involved the chemical removal of oxygen from ... We chose to use iron(III) oxide, or Fe 2 O 3, known more commonly as rust. We got rust off an old corrugated iron shed ...