Repeated cloning from a single mouse failed after 58 generations. Researchers say harmful DNA changes are to blame.

In the wild, a mouse or rat leads a precarious life. In the city, they dodge traps, poisons, and broom-wielding humans. In the countryside, they face owls, shotguns, and more poison. As Australia’s ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

A team in Germany has shown that mouse brain tissue can regain measurable signs of activity after being preserved in a ...

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 ...