Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

Paleontologists have uncovered a 444-million-year-old fossil with remarkably intact soft tissues, such as muscles, tendons, ...

A paleontologist discovered a new species of fossil from 444 million years ago she calls an "inside-out, legless, headless wonder." This new species of ...

While operating the deep-sea robot nearly 7,000 feet below the surface, the machine’s camera captured a creature that ...

Rare evidence about the lives of an ancient group of arthropods has been uncovered in the U.S. The findings of the study are ...

The estimate of 5.5 million species of insects is interesting. What’s even more remarkable is that because scientists have found only about 1 million species, that means more than 4.5 million species ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.

Other researchers had previously attempted to use gene expression assays to align the leg segments of the four major arthropod groups (arachnids, crustaceans, insects, and millipedes and centipedes) ...