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See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers working with Indigenous experts have uncovered fascinating ...

Add Yahoo as a preferred source to see more of our stories on Google. Governments have announced plans to reduce the number of animals, such as mice, used in experimental procedures. Last November, ...

The structure of family groups gives animals an incentive to help or harm their social group as they age, new research shows. A team of scientists from 17 institutions in six countries, led by the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Animals such as turtles with bony shells, spines, or venom age slower ...

Being a loner isn’t un-herd of for these four-legged seniors. New research shows that it is in an animal’s nature to isolate as they age — but unlike the known detriments for humans, breaking away ...

In humans, male fertility and sperm fitness decline with age, but scientists have made the surprising discovery that this pattern is not consistent in other animals. The findings have been published ...

Last November, the UK government announced a bold plan to phase out animal testing in some areas of research. Animal tests for skin irritation are scheduled for elimination this year, and some studies ...