Neanderthal and Homo Sapien DNA: What does it indicate?

Past posts have described the science of evolution, and the development on Earth over time of its atmosphere and of various life forms. Prior posts have also noted that science is a constantly changing picture as new data and information are developed. Speaking of recent developments, research now appears...

Do comb jellies indicate that evolutionary theory needs a serious rethink? Maybe instead they are a door to understanding the evolution of complexity

When viewing evolution over time, scientists generally favor parsimony, that is, lineages radiating from a common ancestor share most of the ancestor's features. This also means that animals at the bottom have simple features, which may grow more complex or which may become more specialized as other...