A newly discovered Moroccan titanosaur is reshaping what scientists thought they knew about dinosaur evolution and ancient ...

Learn about a small rodent-like mammal whose descendants survived the extinction event that killed all non-avian dinosaurs.

Imagine this: A snake-like creature as long as a bus glides through the sea—on the hunt. Sounds like a nightmare? Fortunately, it remains just that, as this animal has long been extinct. Fossils of ...

Roughly 73 million years ago, on a strip of Pacific coastline that would eventually become Baja California, a mammal no ...

Pohlsepia mazonensis, a visually underwhelming fossil from Illinois, fundamentally broke our understanding of cephalopod evolution. Described in 2000 and hailed as the oldest known octopus in the ...

A badly mangled dinosaur skull, once forgotten in a drawer, turned out to be a rare and important discovery. Reconstructed by a Virginia Tech student, it revealed a new species of early carnivorous ...

A rare fossil discovery is shedding light on the “missing years” of early sponge evolution. Scientists found a 550-million-year-old sponge that likely lacked hard skeletal parts, explaining why ...

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the discovery also shedding light on a remarkable survival story. The fossil, ...

Detailed imaging of a 250-million-year-old fossil has revealed the first proof that the ancestors of mammals laid eggs. The discovery answers a long-standing question about the reproductive biology of ...

In a new paper published in Nature, a team led by University of Chicago paleoanthropologist Zeresenay Alemseged reported the discovery of the first Paranthropus specimen from the Afar region of ...