Our feline companions have a way of communicating their emotions. But none is as endearing and mystifying as the purr. While the exact reasons for purring are still being explored, scientists believe ...

here are so many questions our children ask concerning the mysteries of our universe. Why is the sky blue? Why do birds sing? Why do cats purr? While we often fail to provide satisfying answers to ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The astonished scientists discovered that the cats had at least "276 morphologically distinct facial expressions." As it turns out, scientists have come closer to the answer some of these questions ...