Kryptonite is no longer just the stuff of fiction feared by caped superheroes. A new mineral matching its unique chemistry - as described in the film Superman Returns - has been identified in a mine ...

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 ...

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 ...

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 ...

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 ...

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 ...

If you wanted to start a discussion about the most powerful comic book characters of all time, the Mount Rushmore of power would almost definitely include Superman. The Man of Steel has been the ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Warner Bros. Superman has gone up against many different types of foes, but what about pink Kryptonite? What does the pink ...

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 ...