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 ...

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 #41 hits stores Wednesday as Superman faces Zod in an epic Kryptonite Kingdom showdown while Superboy-Prime tries to prove he's changed.

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 ...

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 ...

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) ...