Orange cats have always stood out in the living room, but new research shows they also stand apart in the mammal family tree.

From birth, with a picture-perfect coat and a heart full of individuality: Pebbles is more than just an exceptionally beautiful cat. The combination of her fur colors and features is as genetically ...

In this issue, Hoelzl and colleagues catalog genes that escape inactivation in major organs throughout the mouse lifespan and reveal that aging promotes reactivation of the X chromosome at distal ...