A clock constructed of rDNA methylation sites can estimate both chronological and biological age across species.

Researchers develop an app that can estimate the biological age of a rodent from its mug shot—and could give a boost to the science of human aging in the process.

A demographer’s model suggests the “mortality plateau” in the extreme elderly could be explained by clerical errors. Not everyone agrees.

From cellular self-digestion to the effects of exercise on the brain, our features editor picks her favorite art custom-made for the magazine.

Even if people exercise, hydrogen peroxide and other reactive molecules continue to accumulate in the tissues.

Numerous cellular changes underlie the decline of muscle mass and strength in the elderly.

Researchers untangle the multifarious nature of muscle aging. So far, the only reliable treatment is exercise.

Analyses of blood from thousands of people show distinct protein profiles are linked to complex diseases of aging.

Despite the treatment being given for only six weeks, the positive effects lasted for a year.