Marine biologist Dr. Dave Pawson has embarked on over 100 dives to the ocean floor to unravel the mysteries of elusive invertebrates like sea cucumbers and brittle stars Emma Saaty There are few ...

Brittlestars are marine echinoderms that characteristically have five long, thin arms radiating from a disc-shaped body. In August 23 Nature Joanna Aizenberg and colleagues at Bell Laboratories/Lucent ...

It was a long, hard, and tumultuous battle, but the clash of the titans that began here at The Intersection--that will go down in science blogging history as the Great Marine Invertebrate Wars--has ...

The film explores the fascinating world of echinoderms, focusing on sea stars and their relatives, such as sea urchins and sand dollars. It describes their unique body structures, including radial ...

The spatiotemporal variation of the distribution of echinoderms in the Georges Bank ecosystem was examined from 2005 to 2012. Density and abundance of representatives from echinoderm classes (brittle ...

Scientists have discovered a new species that lived more than 500 million years ago -- a form of ancient echinoderm that was ancestral to modern-day groups such as sea cucumbers, sea urchins, sea ...

Sea stars and their relatives eat, breathe and scuttle around the seafloor with tiny tube feet. Now researchers have gotten their first-ever look at similar tentacle-like structures in an extinct ...

The end-Paleozoic witnessed the most devastating mass extinction in Earth's history so far, killing the majority of species and profoundly shaping the evolutionary history of the survivors.

Polyembryony, or the production of multiple offspring from a single zygote, is a widespread phenomenon in the animal kingdom. Various types of polyembryony have been described in arthropods, bryozoans ...