From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these ...

Trove of fossils discovered in Canada sheds light on "when life first became large, complex and unmistakenly animal." ...

Large blocks of genes conserved through hundreds of millions of years of evolution hint at how the first animal chromosomes came to be. Chromosomes, the bundles of DNA that star in the mitotic ballet ...

Researchers have uncovered a remarkable fossil site in a remote part of Canada's Northwest Territories, offering ...

"This book was originally published as an issue of Philosophical transactions of the Royal Society B; Biological sciences (volume 363; number 1496) but has been materially changed and updated"--Title ...

Note: Articles may be assigned to more than one subject area, as a result the sum of the subject research outputs may not equal the overall research outputs. Actionable insights into research ...

Embryonic germ layers are the fundamental organizing principle in animal development. They provide the structural basis from which tissues and organs arise. During early embryogenesis, cells divide to ...

Ever wonder how and when animals swanned onto the evolutionary stage? When, where, and why did animals first appear? What were they like? Life has existed for much of Earth’s 4.5-billion-year history, ...

Viruses acquire genes from eukaryotes — organisms whose cells store their DNA in a nucleus — and use them for their own function. Conversely, eukaryotes acquire genes from viruses to bring new ...