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

There is a limit on how many times a mammal can be cloned before suffering "mutational meltdown", Japanese scientists have ...

For decades, ecologists lumped everything bad for animals under one word: stress. But what if animals don’t experience harsh environments as stressful at all? What if it is the opposite? Animals have ...

STRATHAM - An animal shelter in Stratham, New Hampshire, has its hands full of pet mice after a Seacoast homeowner became overwhelmed by the sheer number of mice in his possession. "I think we've got ...

Reported the New Yorker three weeks ago: “A little group of animal lovers organized . . . under the title Mouse Beautiful are out to capture the flagging interest of former guppy-and ant-fanciers. . .