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 ...

James Gunn’s pointedly bright, colorful, canine-forward new movie, “Superman,” is the second launch in a dozen years of a new shared cinematic universe wherein the superhero in chief is gradually — or ...

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 ...

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 ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Kryptonite is the ultimate silver bullet in comic books. The term has become so widespread that ...

The Man of Steel gets new and exciting updates for his certain attributes in the inaugural issue of Superman: The Kryptonite Spectrum. Superman, created by writer Jerry Siegel and artist Joe Shuster, ...

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 ...