We tend to think of animals as short-lived, especially when we compare their lifespans to human lifespans. But some species move through the world at a completely different pace. While generations of ...

A naked mole rat with its head raised and nose in the air. Long live the naked mole rat. These wrinkly critters live about 37 years, thanks in part to an enzyme that helps regulate DNA repair. Credit: ...

Life-extending treatments may create inequality in lifespan, allowing some animals to live longer lives while others gain no benefit.

Are you thinking of adopting a pair of guinea pigs? Taking on a new pet is a huge commitment, and one of the first things we should consider is lifespan. So, how long do guinea pigs live? You’ll be ...

Photo-Illustration by Chloe Dowling for TIME (Source Images: Nastasic/Getty Images, imageBROKER/Dieter Mahlke/Getty Images, Yaroslava Alekseeva/Getty Images, Gianluigi Guercia—Getty Images) In 2007, ...

The naked mole rat is finger size, nearly blind, and not particularly cute, even when judged on a rodents-only curve. It also could hold the secret to near immortality: The naked mole rat lives for ...