The different eye color “changed my face dramatically,” the actor said, “in a way that I didn't understand or anticipate” ...

Grab your glasses for this one, because we’re talking animal eyes. Eyesight is one of the most important adaptations animals rely on for survival. As humans, we know how much we depend on our ...

A million-year-old skull from China, Yunxian 2, reshapes our understanding of human origins and ancient human relatives.

A pig heart in a human? Before this year, a surgery like this seemed unlikely, but over 50 years of innovations have made it possible. WIRED spoke with Dr. Brandon Guenthart to understand exactly how ...