Scientists from multiple countries had to assemble a massive “butterfly tree of life” using 100 million years of natural history on their distribution and favorite plants, as well as the DNA ...

Using the largest butterfly tree of life ever created, scientists have determined where the first butterflies originated and which plants they relied on for food. Credit: Florida Museum photo by ...

He marveled at the vast array of pinned bugs before stopping in front of a large picture of the butterfly family tree. A number of spots on that tree, he saw, were curiously blank. "Just looking ...

MOOKA, Tochigi Prefecture--A bird and butterfly greenhouse in Igashira Park here has decorated its annual Christmas tree with more than 100 chrysalises that naturally glitter in vivid hues of gold ...