All species alive today, from chimpanzees to bacteria, are cousins that each have equally long lineages, rather than ...

A microorganism whose evolutionary roots can be traced to the era of the first multicellular animals may provide a glimpse of how single-celled organisms made a critical evolutionary leap. In ...

We humans have long viewed ourselves as the pinnacle of evolution. People label other species as "primitive" or "ancient" and ...

Single-celled organism harbors protein sensor that was thought to be restricted to multicellular animals. A microorganism whose evolutionary roots can be traced to the era of the first multicellular ...

A 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows. The strange appendages, detailed today (April 9) in the journal Biology Letters, were found ...

Choanoflagellates are primitive microorganisms whose evolutionary roots can be traced to the era of the first multicellular animals (metazoans). In December 18 Proceedings of the National Academy of ...

Recent studies indicate that shallow marine environments were crucial in transitioning primitive life forms into more complex animals, as discussed in the journal Science. Initially, ...