The way in which most multicellular organisms have been classified has been the same for more than a century. Only recently have scientists developed the tools and knowledge to question the way we ...

The Middle Cambrian chordate known as Pikaia gracilens was once thought to be humanity’s earliest known ancestor, and the earliest known member of the phylum Chordata. Now, a new study flips this ...

This animal, a member of the chordates, can regenerate all of its organs so that each piece knows exactly how to regain functioning of all its missing body systems within a short period of time. An ...

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An animal in the Red Sea has been discovered to be able to regenerate all of its organs even after being dissected into three parts, Tel Aviv University (TAU) announced in a statement.“Since the dawn ...