Evolution Diary

A 300-million-year-old brain of a relative of sharks and ratfish has been revealed by French and American scientists using synchrotron holotomography at the European Synchrotron Radiation Facility (ESRF). (…)

A fossil fish from Australia was one of the earliest known vertebrates to reproduce by fertilising eggs inside the female, a study suggests. (…)

Tetrapods, the first four-legged land animals, are regarded as the first organisms that had fingers and toes. Now researchers at Uppsala University can show that this is wrong. (…)

The discovery of a missing link in the evolution of bizarre flatfishes—each of which has both eyes on the same side of its head—could give intelligent design advocates a sinking feeling. (…)

Scientists say a fossil of a four-legged fish sheds new light on the process of evolution.
The creature had a fish-like body but the head of an animal more suited to land than water. (…)