Some starfish made of a brittle material fortify themselves with architectural antics. Beneath a starfish’s skin lies a skeleton made of pebbly growths, called ossicles, which mostly consist of the ...

I remember the first time I saw a Santiago Calatrava bridge, a spinal column of calcium-white ribs snaking across a Spanish ravine. “That’s cool,” I thought. Then, a few years and a few thousand miles ...

An owl's skull, 1951. Design is a funny, marvelous, sometimes unsettling thing — especially when evolution itself is the designer. Take these six-decade-old pictures of skulls and bones. Seen in a ...

Adam Summers used to trade Snickers bars to get free CT scans of dead fish. He likes fish. A lot. Summers is a professor at the University of Washington in the biology department and School of Aquatic ...

July 31 (UPI) --New X-ray images of ancient fish fossils have helped scientists solve a 160-year-old mastery about the origins of the vertebrate skeleton. Heterostracans are a group of fossil fishes ...

Skeletal development in fish is a multifaceted process involving a finely tuned interplay between genetic determinants, nutritional status and environmental conditions. Recent advances have elucidated ...

Did our distant ancestors emerge face-first into the world? This is the intriguing question raised by a new-found fossil. It is thought to be the earliest known fish to possess important facial bones ...

A tiny fossil fish, roughly 3 centimeters long and approximately 436 million years old, has been identified as the oldest ...