Zoraptera, an order of insects that includes angel insects, has defied accurate taxonomic description since 1913.

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their environments, providing insights into the evolution of the distinct upright postures ...

Animals from completely different branches of the tree of life, such as insects, worms and vertebrates, independently evolved similar genetic solutions to survive on land, according to a new study ...

Most of us can imagine a tree of life; some can even sketch one out. Branches coming off branches coming off branches, each describing a turn in evolutionary history. Over here are the molluscs. Over ...

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

Phylogenomic analysis harnesses genome-scale data sets to reconstruct the deep branches of the animal tree of life, resolving longstanding debates about the relationships among major lineages such as ...

Vision shapes how many animals find food, avoid danger and navigate their world. In animals with two eyes, eye placement is ...

Australian tree frogs today make up over one third of all known frog species on the continent. Among this group, iconic species such as the green tree frog (Litoria caerulea) and the green and golden ...

From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these animals evolved from earlier, simpler ancestors is one of the most exciting ...