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

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

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

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

Large blocks of genes conserved through hundreds of millions of years of evolution hint at how the first animal chromosomes came to be. Chromosomes, the bundles of DNA that star in the mitotic ballet ...

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 ...

This 30-million-year-long gap is actually rather helpful to Darwin. It means that there was plenty of time for the ancestor ...