Grammy-Award winning EDM artist Marshmello once sang about “Chasing Colors,” and while he probably wasn’t referring to adult coloring books (the lyrics say otherwise), we like to imagine him vibing ...

Add Yahoo as a preferred source to see more of our stories on Google. Think coloring is for kindergarteners? Think again! Well, it totally is, but it's also for grown-ups in need of stress relief.

Still, the slump in overall interest has real consequences for Barnes & Noble. Analysts predicted a 1.6% decline in same-store sales last quarter, which ended Jan. 28. But they actually declined 8.3%, ...