When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

I have noted that many of my fellow Christians have difficulty with the theory of evolution. This has been true since Charles Darwin published his "On the Origin of Species" in 1859. Most people have ...

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 ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

A team working at the Smithsonian Tropical Research Institute (STRI) found evidence to support a long-debated mode of evolution, revealing how evolution captures environmental variation to teach old ...