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 ...

Scientists have made some discoveries regarding a rare mineral known as jadarite - a mineral that has drawn comparisons to kryptonite, the fictional bane of Superman. The mineral is a sodium lithium ...

In the classic films and comics, kryptonite is Superman's ultimate weakness, robbing him of his powers. Originating from Superman's home world of Krypton, the green alien material emits a unique, ...