This means that for every five butterflies you might have seen in your garden two decades ago, there are now only four. The ...

In a first, physicists have directly seen Hofstadter’s butterfly—a long-sought-after fractal in the quantum realm ...

I will often see them in the butterfly house floating down from the ceiling without moving their wings, like they are gliding. 'As they approach the floor they will slowly flap their wings once, and ...