SpongeBob SquarePants would, in theory, have little use for stamps. They would get soggy in that pineapple under the sea.

SpongeBob fans Ahoy, your favorite nautical cartoon characters are about to hit your mailbox, courtesy of the U.S. Postal ...

Why not write a letter? Marielle Segarra from NPR's Life Kit has some tips on how to get started. MARIELLE SEGARRA, BYLINE: There's something special about the relationship you develop with a pen pal.