Study reveals that early embryonic cells can switch roles, reshaping what we know about how fins, gills, and other body ...

As biologists know, nature can take its sweet time explaining itself. Andrew Gillis, associate scientist at the Marine ...

The blind side of a Remo flounder's head as it was being dissected Paulo Presti When ichthyologist Paulo Presti, a graduate student at the University of São Paulo in Brazil, found a jar containing a ...

While the sea robin has legs, it still doesn’t need a bicycle. By Sofia Quaglia The sea robin has fascinated scientists for decades. It has the body of a fish, the wings of a bird and the legs of a ...

How did the complexity of many organisms living today evolve from the simpler body plans of their ancestors? This is a central question in biology. Take our hands, for example: Every time we type a ...

A new analysis of the bones and muscles in ancient fish gives new clues about how the shoulder evolved in animals -- including us. A new analysis of the bones and muscles in ancient fish gives new ...

A striking fish that lives at the bottom of the Atlantic Ocean has evolved legs – but not just for walking. These appendages are a novel sensory organ like a tongue, which they use to find prey buried ...

Quick Take A 436-million-year-old bony fish fossil has successfully helped researchers better understand vertebrate evolution ...

A new analysis of the bones and muscles in ancient fish gives new clues about how the shoulder evolved in animals – including us. The shoulder girdle – the configuration of bones and muscles that in ...