Eighty-seven years later, our hero is still fighting injustice. Superman's stylized red emblem has changed in design and meaning over the years. Here's a look at Superman's "S" and how it has changed ...

One unexpected Marvel mutant reveals that the real meaning behind the letter X goes way beyond Charles Xavier and his original X-Men team.

The skull. For many in the Western world, it’s an instant symbol of danger, a pirate’s flag snapping in the wind, or the ...