New findings, published in Nature, help answer the riddle of how vertebrates evolved the diverse array of brain cells that ...

California two-spot octopuses learned to track prey they could see only as a mirror reflection, then moved toward the actual ...

The sympathetic nervous system, which enables the fight-or-flight response, was thought to be present only in jawed vertebrates. Analysis of a jawless vertebrate suggests that this system might be a ...

A team of herpetologists at the Universidade Estadual de Santa Cruz just reported that a tiny frog found only in a hilltop forest in southern Bahia, Brazil, may be the smallest vertebrate in the world ...

New research finds that the traits that make vertebrates distinct from invertebrates were made possible by the emergence of a new set of genes 500 million years ago, documenting an important episode ...

New CU Boulder-led research finds that the traits that make vertebrates distinct from invertebrates were made possible by the emergence of a new set of genes 500 million years ago, documenting an ...

Scientists have long puzzled over the gap in the fossil record that would explain the evolution of invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, ...

New research from the University of St Andrews has discovered a crucial piece in the puzzle of how all animals with a spine - including all mammals, fish, reptiles and amphibians - evolved. In a paper ...

The researchers from the HiLIFE Institute of Biotechnology, University of Helsinki compared two central bearded dragon lizards (Pogona vitticeps): a normal one and a mutant with no body scales. They ...

ABOUT 370m years ago, in the latter part of the Devonian period, the ancestor of all land vertebrates stepped out of the ocean and began to take advantage of the untapped riches found ashore. This was ...