Read 'Reality Check,' a sci-fi short story by Hugo and Nebula-winning author Nancy Kress, right here on io9. Feeling the chill of the season? io9's got your first look at DC's steamy seasonal comics ...

Horned, hellish, and hella charismatic, the DnD Tiefling 5e are humanoids with devils and demons for ancestors. While they have some common features (horns, tails, and colorful skin), the different ...