A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

In most cases, evolution is a pretty slow process, taking hundreds if not thousands of years—but when humans enter the ...

The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...

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 ...

Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

A University of Montpellier study published on September 1st in the Proceedings of the National Academy of Sciences reported that human intervention over the last millennium drove a sharp divergence ...

The evolution of some of the earliest complex animals on our planet may have been spurred on by other, simpler early animals. These simple marine animals first evolved around 560 million years ago and ...

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"This book was originally published as an issue of Philosophical transactions of the Royal Society B; Biological sciences (volume 363; number 1496) but has been materially changed and updated"--Title ...

The origins of consciousness date back about 540 million years ago, when animal bodies became more complex. Feelings like pleasure and pain act as a "common currency" for decision-making, as we see in ...