Discover 10 fascinating animals with blue blood and learn how hemocyanin helps them survive in extreme and low-oxygen habitats.

Sandra Oh played Dr. Cristina Yang, a key character on Grey's Anatomy, for a long time. Yang was known for her surgical skills and complicated character evolution.

Most people have right-dominant hearts—which to a doctor or a researcher means they have an artery that extends from the ...

Complex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence ...

A biotech company recently announced that it's implanted another pig kidney into a human recipient. Here's what to know.