The not-so-sensual courting behavior of sharks has been captured on camera at an aquarium in Australia. The rare footage ...

The article delved into ancient species like Dendrogramma, Coelacanth, and Emperor Scorpion, which have survived for hundreds ...

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.

Today is World Manta Day, a day to celebrate these majestic marine creatures and raise awareness of the threats they’re ...

Here’s how scientists make sense of our sensory organs. Ears capture sound from the outside world with cartilaginous structures that protrude from your head, funnel it through a canal to a ...

Sharks have been losing teeth for 400 million years. Here’s a guide to uncovering some of these plentiful fossils across the ...

Traditionally, sharks, as members of the cartilaginous fishes (class Chondrichthyes), were not expected to reproduce via parthenogenesis, with this group thought to exclusively rely on sexual ...

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 ...

The Stony Brook shop offers this wavy noodle — a precursor to Japanese ramen — in savory, cartilaginous soups as well as a ...

Due to international demand, the porous international border between India and Bangladesh is a favoured route used by ...

The scientists then used PCR to show that the V-SINEs were widespread among vertebrates, including lampreys, cartilaginous fish, bony fish, and amphibians (Ogiwara et al., 2002). Of these ...