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Researches said the species had “remarkably large” wings and a “very thick” abdomen. Photo by Hiroaki Aiba, Yui Takahashi and Kotaro Saito (2025) For decades, an “extremely rare” fossil sat ...

Butterfly fossils are rare, and finds that preserve fine anatomical details and wing patterns are an absolute exception. An international research team from Sweden, the U.S., and Germany, led by Dr.

(CNN) — The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago. During the age of ...