In a paper published in National Science Review, a Chinese team of scientists highlights the discovery of well-preserved blue ...

Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct.

at least in invertebrates. The FoxA class was selected because it contains the founding members of the whole gene family, fork head and HNF3, and because it regulates processes from earliest organ ...

A new study rebuilds the coelacanth family tree with refined data, showing these ancient fishes experienced bursts of change ...