Add Yahoo as a preferred source to see more of our stories on Google. Kryptonite was first introduced in a Superman radio serial episode in 1943. In 2004, workers at a drill site in Serbia’s Jadar ...

More than 80 years later, a Kryptonite meteor will once again upend the status quo for the Last Son of Krypton. Superman Unlimited, a new ongoing series from writer Dan Slott (The Amazing Spider-Man) ...

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 ...

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 Add Popular Science (opens in a ...