If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length ...

Evidence is mounting that the evolution of our species is more convoluted than we imagined — more like a braided stream than a branching tree. When you purchase through links on our site, we may earn ...

As someone who loves ultra-distance running and is also a huge Bruce Springsteen fan, “Born to Run” has always been one of my favorite songs. Yes, I know it’s cliché. But, anytime I’m out for a long ...