Evolution is often perceived as an incredibly slow, natural process driven by environmental pressures over millennia. That characterization certainly holds true, but humans have also repeatedly ...

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet still gives rise to a kaleidoscope of different cell types and tissues. A ...

We humans have long viewed ourselves as the pinnacle of evolution. People label other species as “primitive” or “ancient” and ...

"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 ...

Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...

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 ...

1. Introduction: Young approaches to animal evolution / José M. Martín-Durán and Bruno C. Vellutini -- Part I. Animal origins. 2. The protistan cellular and genomic roots of animal multicellularity / ...

This post is in response to How Culture Makes Us Smarter By Steve Stewart-Williams Ph.D. Are we big-brained mammals who have out-evolved ourselves? 'The evidence for the hypothesis that cultural ...

Recently, French researchers described a remarkable case in which a female bottlenose dolphin adopted a melon-headed whale calf (Penonocephala electra), and raised it for three years. Their article in ...