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

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic information from living sponges, as well as chemical signals from ancient rocks, ...

The missing link in the mystery turned out to be an event called the Cambrian explosion. It was only after it that living ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in Africa’s fossil record of human origins.

Chapter 1. The fossil record of parasitism: Its extent and taphonomic constraints -- Chapter 2. Importance of data on fossil symbioses for parasite-host evolution -- Chapter 3. Biodiversity and ...

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, ...

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 ...

The early part of the twentieth century saw evolutionary theory embattled by disagreements over Darwin's emphasis on natural selection. The then-newly rediscovered work of Gregor Mendel in the ...