Prehistoric times had no shortage of pretty scary creatures, but you need to look no further than this huge arthopod to find ...

Neurobiological emergentism” explains how sentience—the subjective feeling aspects of consciousness—developed in ancient animals that evolved the first complex neural systems.

Step back into the Carboniferous period, when colossal arthropods dominated the land 345-290 million years ago. Among these ancient creatures was Arthropleura, a remarkable millipede that stretched up ...

Prof. Peter Ng examining giant isopods from a seafood market in Hanoi, October 2024. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by ...

Dr. Conni Sidabalok examining individuals of Bathynomus vaderi at Lee Kong Chian Natural History Museum, Singapore.

Learn about the wide-ranging Ecdysozoa group of animals and how scientists solved the curious case of their nervous systems' ...

The original version of this story appeared in Quanta Magazine. Bacteria are in, around and all over us. They thrive in almost every corner of the planet, from deep-sea hydrothermal vents to high ...

WE are all agreed that the four-footed terrestrial vertebrates or Tetrapoda have arisen from some fish-like aquatic ancestor. Two chief changes must have occurred in the passage from water to land ...

The study of the physiology and ecology of animals that don't have backbones, ranging from worms to sea stars, and of parasites, which can often provide insights into complex ecosystems. (Sea star ...

Others may think of winged insects known as crane flies. These two arthropod groups have species with very long legs, and, as such, may be appropriate candidates for the title. However, most ...

From comparison of the eyes of lampreys and jawed vertebrates, it is clear that a 'vertebrate-style' camera eye was already present in the last common ancestor of these taxa, around 500 million ...