The films coating buckeye butterflies’ wing scales vary in thickness, creating a broad spectrum of iridescent colors.  

Researchers discover a fragment of cord between 41,000 and 52,000 years old that points to Neanderthals’ complex cognitive abilities.

A new fossil discovery indicates a second primate group also traversed the Atlantic millions of years ago on a raft of vegetation.

Scans of eight fossilized adult and infant Australopithecus afarensis skulls reveal a prolonged period of brain growth during development that may have set the stage for extended childhood learning in later hominins.

Strategies to trick, manipulate, and direct the evolution of tumors

New therapeutic approaches in oncology aim to manipulate or block cancer’s adaptation to treatment.

An island songbird evolved into five populations of different color variants despite inhabiting territories just 10 kilometers apart.

A newly discovered fossilized skull is between 66.8 million and 66.7 million years old and bears similarities to modern-day chickens and ducks.

A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.

The inner ear cavity proves to be a useful tool for studying the evolutionary relationships among monkeys, apes, and humans.