Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth shared a common ancestor.

All life on Earth shares a common ancestor that lived roughly four billion years ago. This so-called "last universal common ...

For millennia, evolution has intrigued many great thinkers, prompting questions about how new traits emerge as species adapt over time. Then, attention shifted to natural selection and the inheritance ...

Twenty-six years ago today, on Sept. 17, a teenager who had received an experimental gene therapy died. His death led to needed changes in the clinical trial process while also spurring skepticism ...

The mouse on the left is a chimeric with dark eyes and patches of black fur, a result of stem cells derived from a choanoflagellate Sox gene. The wildtype mouse on the right has red eyes and all white ...

Breast cancer is one of the most common cancers affecting women worldwide, but many often ask, Is breast cancer hereditary? While most cases occur randomly, a small percentage are linked to inherited ...

When heart disease runs in a family, it can feel like an invisible shadow, one you can’t quite outrun but can’t afford to ignore either. You might eat clean, jog a few miles, and still find yourself ...