Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

Charles Darwin worried that the fossil record looked strangely abrupt, with complex animals appearing in a geological instant ...

Parasites of Fossil Vertebrates: What We Know and What can We Expect from the Fossil Record? / Tommy L. F. Leung -- Fossil Record of Viruses, Parasitic Bacteria and Parasitic Protozoa / George Poinar ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in ...

The snow leopard (Panthera uncia) is a large feline unique to the Qinghai-Tibet Plateau and its surrounding areas. As the apex predator in the region, the snow leopard plays a crucial role in ...

NEW YORK — Scientists say they’ve found a “missing link” in the early evolution of seals and walruses — the skeleton of a web-footed, otter-like creature that was evolving away from a life on land.

The fossil record of baleen whales (Mysticeti) offers a window into one of the most dramatic evolutionary transitions among mammals. Early cetaceans evolved from terrestrial artiodactyl ancestors into ...

Beginning with a recently discovered 47-million-year-old primate fossil, Switek effectively and eloquently demonstrates the exponential increase in fossils that have been found since Darwin first ...

Creepy collector she is not; Cooke's quest for canines, incisors, and molars is driven by a desire to better understand Earth's past. Give this intrepid paleontologist a fossilized tooth, and there's ...

Deep under the Jurassic rock beds of New South Wales, scientists discovered fossilized insects that push back the history of one of the world’s most hardy families of flies. These fragile traces, ...

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...