Urea—the main component of human urine—plays an important role in the timing of maturation of sharks, rays and other ...

Nearly three months after an aquarium in North Carolina announced that its stingray Charlotte is expecting, social media ...

The creature had the potential to reach up to 30 feet long, making it possibly the largest shark of this type ever to have ...

Taking into consideration all previous imaging findings, the diagnosis of suprapubic cartilaginous cyst—a rare entity that usually occurs in postmenopausal multiparous women—was made.

The Devonian ancestors of fishes living today belonged to two main nonarmored groups. The cartilaginous fish, so-called because cartilage formed their skeletons, later gave rise to sharks and rays.

No, sharks do not have bones. In fact, sharks are "elasmobranchs," which means they are made of cartilaginous tissues, according to the NOAA. Cartilaginous tissues also make up human's ears and ...

A groundbreaking revelation has been made thanks to the finding of multiple complete shark fossils from the Late Cretaceous ...

The old expression “Типун тебе на язык” ("Tipun tebe na yazyk" or literally "I wish you had a pimple on your tongue!") can be ...

An international team of archaeologists, paleontologists, evolutionists and geoscientists has analyzed ancient shark fossils ...

Ear piercings can be accomplished at multiple sites of the lobe and pinna. Cartilaginous piercings have the tendency to heal more slowly, and to develop more complications than simple lobe ...

Turtles are reptiles of the order Chelonii or Testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield. The earliest known turtles date ...