Striking x-radiographs of the museum's world-leading collection of fish specimens are used to explore how scientists understand evolutionary development by studying fish skeletons, fin spines, teeth, ...

The National Museum of Natural History has opened its newest temporary exhibition “X-Ray Vision: Fish Inside Out.” It features the X-ray images Smithsonian scientists use to better understand Earth’s ...

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 ...

On a weekday morning in December, Eric Hilton reached down to a table covered in piscine paraphernalia: fish skeletons, piles of fish bones, colorfully dyed fish sitting in small, clear tubs of liquid ...

When Rhys Allen saws into the head of a 70cm-long dhufish skeleton, he has to get the cut just right in order to intersect the ear bone that is used to determine the age of the animal. Mr Allen is 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 ...

Sharks were thought to have evolved with a cartilage-based skeleton before other types of fish formed a boney structure, but a new discovery turns that on its head. An ancient 'armoured fish' skull ...