In five cases where vertebrates evolved monogamy, the same changes in gene expression occurred each time. In many non-monogamous species, females provide all or most of the offspring care. In ...

Today, biologists taking a closer look at the animals located inside the Chernobyl Exclusion Zone (CEZ), which is about the ...

A new genome-based study suggests that ancient sharks like frilled and cow sharks could sit outside the family tree that ...

New research is shaking up our understanding of evolution by revealing that some species may not evolve gradually at all. Instead, scientists discovered that certain marine worms experienced an ...

Researchers at the University of Bristol have traced the genetic changes that allowed animals to colonize land not once but at least 11 separate times across the tree of life, finding that distantly ...

Add Yahoo as a preferred source to see more of our stories on Google. Once upon a time, there were a bunch of one-celled microbes, swimming, eating, reproducing, doing all the things that a one-cell ...

Animal social behavior is an extremely complex phenomenon that is shaped by evolution. Animals, whether social bird species or solitary hunters, have an extremely wide range of social behaviours.

Plants and animals have a long history of acclimatizing to city living - think of raccoons and their expert pillaging of compost bins. But now biologists are beginning to see signs that something more ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. With a growing human population and rising living standards, demand for animal-derived ...