Kryptonite is one of those things that can get a little annoying when it’s overused. The current Emerald Era could easily fall into that trap, but Superman Unlimited #2 actually makes the whole thing ...

You can’t hear the word kryptonite without thinking of the Man of Steel. Radioactive fragments of Superman’s home planet, Krypton, Kryptonite is the go-to choice for anyone wanting to take him down.

Superman is able to stop the meteor, but it breaks up and showers the Earth in Kryptonite. Superman Unlimited #1’s cover boasts that this is the beginning of the Emerald Age, and things change rapidly ...

For 80 years, fans have been following the adventures of Superman. The most die-hard fans have followed him across several different mediums. Superman has appeared in print, on the big and small ...

Superman debuted in Detective Comics' (known now as DC Comics) Action Comics #1 in April of 1938. It depicted Superman's first sally of righteousness into the criminal underworld of Metropolis. On its ...

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 ...

The DC Universe has already introduced Kryptonite into its story before Superman itself, and both the method used to do so and the impact it is set to have on the 2025 DCU movie have taken me by ...

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 ...

Superman might be faster than a speeding bullet, but even the Man of Steel needs a day off. Kryptonite, his most infamous Achilles’ heel, wasn’t part of the original lore. It was cooked up during a ...

When you first became a leader, did you realize that your success, failure and progress would be based on the same fictional substance that plagued Superman? Imagine for a moment that, when close to ...

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 ...