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

Foglia says he learned how to spot the butterflies flitting among flowers — with their orange and black wings with ... that grow on the side of the road, or lay eggs on the plants that grow in ...

The rounded profile of a bird’s wing creates an airfoil, which generates lift and allows the bird to fly. But butterfly wings are flat. How do butterflies fly? Robert Kacmarcik, Green Valley ...

It is also designated as the state butterfly of Oklahoma. The males display more vibrant colors with a predominantly black upper side of wings with a row of large yellow spots before a row of ...