If you were to ask someone back just a couple years ago that coloring books for adults would occupy two of the top 50 best selling books on Amazon, you would probably get laughed at. It’s astonishing ...

Kids can get creative with these fun and free coloring pages for kids, which include friendly monsters, Disney characters and more. Whether it’s a rainy day or quiet time, we’re always looking for ...

A detail of the Mandelbrot set, a fractal named after Benoit Mandelbrot, the French mathematician who investigated it in the 1970s. If you were to zoom in at any point on the intricate, wiggly line, ...

Those of us who grew up coloring remember the cardinal rule: stay inside the lines. But those who pick up the Patterns of the Universe coloring book have to stay in the sines (and cosines and tangents ...