The mineral jadarite has the same chemical composition as Superman’s weakness. It may be a problem for humans, too. By Andrew Paul Published Jul 14, 2025 11:05 AM EDT Get the Popular Science daily ...

Superman is one of the most powerful beings in the DC Multiverse, having started his journey nearly 90 years ago. The Man of Steel has remained an iconic superhero ever since, and numerous iterations ...

The opening pages find the Man of Steel and his robot helpers recovering four new Kryptonite isotopes from deep space. He is quick to call in Batman, whom he trusts more than anyone to help him with ...

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 ...

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 ...

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 ...