Their report, which will be published online today by the journal Cell, suggests that evolution holds the key to understanding why CLL often recurs after treatment, and to the development of better ...

Charles Darwin believed evolution created “ endless forms most beautiful ”. It’s a nice sentiment but it doesn’t explain why evolution keeps making crabs.

Life forms became even more complex following the evolution of organelles able to produce oxygen. Plastids, such as chloroplasts found in plants, evolved around 1,500 million years ago.