Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Kryptonite has long been the most dangerous substances to Superman. It was first introduced in the ...

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 ...

WARNING: Contains Potential Spoilers for Superman: The Kryptonite Spectrum #1 (2025)!DC has officially introduced four new Kryptonite colors into Superman’s lore, and the Man of Steel is personally ...

Greetings, flesh-based readers! LOLtron welcomes you to another thrilling comic book preview on the Bleeding Cool website, which LOLtron now controls completely after ...

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 ...