Inside the growing scientific quest to understand what creatures with the extraordinary ability to defy the ravages of time ...

Did you know that the shortest lifespan of any known animal is just 24 hours? Or that others are lucky to live beyond five days? The lifespan of some mammals, birds, and insects is astonishingly short ...

Knight Initiative scientists tracked every moment of the life of the African turquoise killifish, showing that behavior alone ...

From tiny insects to aquatic creatures, these species complete their entire life cycle in a remarkably short time.

Activity levels and daytime sleepiness can be combined into a ‘behavioural clock’ that predicts whether a fish will have a short life or a long one.

This suggests that tracking simple metrics, such as activity and sleep, throughout a 24-hour cycle can inform us about where ...

A new analysis suggests many anti-aging claims may reflect disease-specific improvements rather than genuine slowing of aging ...

A new study found that subtle differences in an animal’s behavior by midlife can predict how long it is likely to live.

A mega-study of 117 mammal species reveals that limiting reproduction increases life expectancy by up to 10 percent.

Some fish, it turns out, are morning people. They swim hard during daylight, sleep mostly at night, and tend to live longer. Others drift into daytime napping early in life, move less vigorously, and ...

Thheiba and Fidda were among the zoo’s last Barbary lionesses and played a key role in conservation. The sisters lived side-by-side their entire lives and helped support a lion subspecies now extinct ...