At first glance, feathers may seem like simple parts of a bird’s body. But if you look closer—under a microscope or through a scientific lens—they reveal an intricate story of evolution, biology, and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new ...