Scientists may have a step forward in understanding how life on our planet came to exist. The mystery of how tiny molecules of RNA came to be enclosed within membranes, forming the very first cells, ...

Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...

This image shows how a divergent chemical mixture can 'evolve' into a mixture of species, or be dominated by just one. We know that Darwinian evolution acts on all forms of life, but does evolution ...