This Earth Day, the Department of Ecology is hosting a coloring book design contest for kids across Washington.

It's a common scene in families all over the world: children taking crayons and pencils to the black-and-white illustrations of a coloring book, poring over the drawings determined to shade inside the ...

When Penguin Random House announced recently that it had acquired world rights to the next two adult coloring books from Johanna Basford, the so-called queen of coloring, it was just the latest sign ...