Fossils

The stunning fossil includes a complete skull and some skeletal bones, such as ribs and arm bones.

The new species exhibits a bizarre assembly of morphologies that are shared with other avialans.

Explore the evolutionary process of plants with this Nature Plants study.

Its surprising features include three eyes on the head.

Kangaroos used alternative methods to hop.

The diversity of dinosaurs in Morocco at the end of the Cretaceous period.

The modern sea spider had started to diversify by the Jurassic.

Scientists name new species of giant amphibian found in retaining wall.

505-million-year-old swimming jellyfish from the Burgess Shale highlights diversity in Cambrian ecosystem.

Newly described 235-million-year-old fossil had armored plates above its backbone.

Pterosaur giantism linked to increased parental care.

Study finds surprisingly high incidence of osteochondrosis in these extinct predators.