Scientists studied rare butterfly fossils and collected DNA from nearly 2,300 species to create the ultimate tree of life and learn where butterflies originated when they first appeared on Earth ...

A recent study unveils the extraordinary 26-million-year global journey of seemingly ordinary grass-yellow butterflies, known ...

A species of tropical butterfly with unusually expanded brain structures displays a fascinating mosaic pattern of neural ...

Science Biology Evolution This butterfly hybrid thrived against evolutionary odds It throws a wrench into old ideas about what it means to be a species.

(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 ...

This past May, working with nearly 90 co-authors from six continents, he published the results of a massive global study of butterfly evolution, based on DNA samples from 2,300 butterfly species.

(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 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.