Add Yahoo as a preferred source to see more of our stories on Google. Small rodent poking out of hole. Mickey Mouse and Remy in Ratatouille might be adorable characters on the screen, but there is ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...

Urban environments provide ideal conditions for rodents to thrive, and among the most common intruders are rats and mice. Both species have adapted remarkably well to human habitats, taking advantage ...

If mice ever wonder what it's like to experience the world as a rat, some are now able to live that dream, at least when it comes to the sense of smell. Researchers led by Columbia University's ...

Cue the Jurassic Park theme song: Scientists in Switzerland appear to have pulled off a remarkable feat, creating sterile and seemingly healthy mice that can produce the sperm cells of a rat. These ...

Knockout Rats Attempting to Muscle Aside Mice to Prevail as Dominant Research Model Laboratory mice and rats have been traditional animal models used by scientists for almost 150 years. In fact, the ...

Rat sperm cells have grown inside sterile mice, and the technique used could lead to human-rat hybrids for biomedical research or help save endangered species. Pluripotent stem cells (PSCs) can divide ...

Mice lacking an olfactory system have had their sense of smell restored with neurons from rats, the first time scientists have successfully integrated the sensory apparatus of one species into another ...