DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps ...

UC Santa Cruz researchers discover that "introners," transposable elements, are responsible for spreading noncoding DNA ...

DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps the species survive. Some pieces of DNA are more like parasites, along for ...

Breakthrough study reveals how woolly mammoths and Arctic animals evolved their cold-weather superpowers over 3 million years ...

"In a family tree based on DNA data from living animals, branches will have different lengths reflecting the number of genetic changes along each branch segment. This does not depend on fossils, so it ...

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.

How Ancient Reptile Footprints Are Rewriting the History of When Animals Evolved to Live on Land WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a ...

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the ...

One possibility is that intelligence in vertebrates—animals with backbones, including mammals and birds—evolved once. In that case, both groups would have inherited the complex neural pathways ...