Superman is one of the strongest, most invulnerable heroes out there, but even non-comic book fans know that he has one glaring weakness: Kryptonite. The glowing remnant of his homeworld is toxic to ...

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 ...

16" radio transcription disc for the April 28, 1948 episode of the radio program "The Adventures of Superman." Transcription discs are non-commercial phonograph recordings of radio programs sent to ...

16" radio transcription disc for the April 14, 1948 episode of the radio program "The Adventures of Superman." Transcription discs are non-commercial phonograph recordings of radio programs sent to ...

From Lois Lane getting the scoop to Metropolis' destruction, these things happen in every single Superman movie. Kal-El, an infant survivor of the planet Krypton's destruction, makes his way to Kansas ...