Researchers have created genome-wide, high-resolution genetic maps of 100 inbred mouse strains. Compared with wild-derived strains, most of today's classical lab strains have limited genetic diversity ...

Adoption coordinator Lexi Giannopoulos cradles one of nearly 1,000 fancy mice that were surrendered Friday at the New Hampshire SPCA in Stratham, N.H. Erica Newton, left, and Emily Sullivan unload ...