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The Columbian and Woolly Mammoth may be one highly variable species

What is interesting about genetic analysis is the way it has the potential to upset otherwise well-established classifications of animals. A good example is the Mammoth, Ice Age beasts well known to one and all. Although they both roamed North America a millennia ago, accepted taxonomy had classified...

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...