The researchers also studied fossils of extinct fishes dating back almost 400 million years and saw evidence that some of the ...

While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...

Scientists have recorded New Zealand ’s rig sharks making noises in the world’s first documented case of active sound ...

The story of silk is full of the extraordinary. First Paraguay and Suriname have caterpillars larger than any in Europe, ...

Hagfish, Lampreys, Sharks & Rays: A Marine Biology Documentary On average, the sharks produced 9 clicks every 20 seconds, with most sounds made along with body movements like moving from right to ...

The hagfish is often considered one of the most ancient creatures still alive today. It has been around for about 300 million years and is one of the few animals without a jaw or backbone.

There are also a few other types of species that can produce silk. The hagfish is an eel-shaped jawless fish that lives at the bottom of the ocean and produces slime/silk consisting of tens of ...

A new study from the University of Chicago has uncovered the surprising origin of the flexible joints that allow us to move our shoulders, knees, and elbows smoothly. These joints, called synovial ...