The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to ...

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that ...

A new study reveals how squid and cuttlefish began in the deep sea and survived Earth’s biggest extinction to thrive ...

This photograph shows two species from the study by Toussaint et al. – a raccoon (Procyon lotor) and mongoose lemur (Eulemur mongoz) – climbing on vertical supports. Researchers have shed new light on ...

“Terrible Lizards”—That’s the literal translation of the term Dinosauria, coined by Sir Richard Owen in the 19th century to describe the colossal bones early paleontologists were unearthing. For a ...

Frontmatter -- CONTENTS -- PREFACE AND NOTES -- ACKNOWLEDGMENTS -- 1. Before Animals -- 2. Phylogenetics and the Base of the Animal Tree of Life -- 3. Ctenophora -- 4 ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst. That ...

New findings by Australian and Chinese researchers shed light on how aquatic creatures made the transition to land.

In a world where evolutionary biology often gets boiled down to simplistic hierarchies of "primitive" and "advanced" species, a new book by University of Maryland, Baltimore County (UMBC) biologist ...