Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder.

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

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 ...

Sitting in my campsite at Goblin Valley State Park, I saw an antelope ground squirrel standing erect on its back feet, which I found amusing. I soon found that this was a common posture evoked by ...

During photosynthesis, trees convert the carbon dioxide to sugars and in doing so produce oxygen as a biproduct, which is vital for life on Earth. “Trees draw carbon dioxide out of the atmosphere and ...

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

Tree genome evolution is a fascinating area in the study of biodiversity and ecosystem stability. Trees, with their distinctive life history traits, such as ...