Divers in Japan have uncovered a fascinating new sea creature, Clavelina ossipandae, that resembles a panda skeleton and holds mysteries about color evolution in marine life.

A pivotal wrist bone in birds appears earlier in theropods. This could shift views on how flight evolved. An analysis of two ...

What makes a vertebrate a vertebrate? Arguably, it is the head. All vertebrates have one, but our closest non-vertebrate relatives, the cephalochordates, do not.

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