DC is introducing four new types of Kryptonite to the Superman mythos, each with a different effect on the hero's Kryptonian physiology. While poisonous green kryptonite is the most famous of Superman ...

DC reveals how different the effect of the Absolute Universe's version of Kryptonite is on Superman, and it's terrifying. Green Kryptonite typically risks killing Superman with prolonged exposure.

Kryptonite has long been the most dangerous substances to Superman. It was first introduced in the Superman radio series before making its way to the comics. Since then, it has been used by multiple ...

The connection between Superman and Kryptonite is so firmly established in American culture that “Kryptonite” has become shorthand for everything from the idea that even the strongest have weaknesses ...