The Halloween season has always been special for me. It’s the time when it seems the entire country shares the fascination with the dark side of human experience that has inspired me from my youth as ...

The largest-ever study of bird genomes has produced a remarkably clear picture of the bird family tree. Published in the journal Nature today, our study shows that most of the modern groups of birds ...

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 ...