A rare stegosaurian skull discovery in Spain redefines dinosaur evolution and unveils a new group, Neostegosauria.

In this Review, we first describe the evolution and phylogeny of this fascinating gene family. It is impossible to review in detail the contribution of all of the Fox genes to development and ...

A Cambrian fossil once thought to be a mollusk ancestor is now identified as a chancelloriid relative, reshaping ideas about ...

A team of researchers from Japan, China, and Brazil have discovered a new species of pterosaur from the Late Cretaceous of ...

Trees get most of the love, but diatoms, a group of photosynthetic microalgae, produce 20% of Earth's oxygen and are the ...