Supergirl #7, written by Sophie Cambell, introduces the all-new Enchanted Turquoise Kryptonite and it has a very unique reaction when it comes to Kryptonians, specifically Supergirl: it turns her into ...

Although Superman usually escapes the devastating effects of green Kryptonite, the mineral may still doom the Man of Steel to a slow and painful death. Under Earth’s yellow sun, Superman's cells ...

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 ...

Kryptonite was first introduced in a Superman radio serial episode in 1943. In 2004, workers at a drill site in Serbia’s Jadar Valley extracted a white, earthy silicate material unlike any previously ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook The basics of the story is that Superman retrieves an asteroid with four new types of Kryptonite ...

Most people are familiar with the concept of Kryptonite. The irradiated pieces of the planet Krypton are one of the few things capable of hurting Superman. Fewer people know, however, that there are ...