Samuel L. Boyd does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Scientists use a novel application of chromosomal analysis to finally answer a question that has challenged biologists for over a century. When you purchase through links on our site, we may earn an ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...