Saul Newman’s research suggests that we’re completely mistaken about how long humans live for.

The sea walnut, a type of comb jelly that has become invasive in parts of Europe and Asia, can transform from a sexually mature adult back into its larval form when times are tough.

Maria Branyas Morera, the world's oldest person, has died. She was 117 years old.

A small study suggests that people in their 40s and 60s undergo sizable physiological changes that may be connected to age-related illnesses.

In a new study, women who followed diets low in added sugar and high in nutrients had "younger-looking" cells.

A small trial in identical twins has shown that going vegan for two months may slow aging, but the findings should be interpreted cautiously, experts say.

Blocking a pro-inflammatory protein extended the life span of mice by around 25%. Could it do the same in humans?

Men in their 50s experience age-related symptoms and hormone declines — but is this the same as what women go through during menopause?

A new study in mice and human cells suggests that a small molecule can help reverse signs of aging by extending telomeres and modulating key genes.

Some chemical tags on DNA, called epigenetic factors, that are present at a young age can affect the maximum life spans of mammal species.