J.F.K. Jr. was the nation’s magic child: little John-John saluting his father’s casket in a gesture that broke the nation’s heart, now all grown up. He had become a stylish, adventurous man surfing ...

If you think you know how long a retirement-age American is likely to live, try taking our one-question quiz. Most people get ...

Across the animal kingdom, evolution has opened the door to a growing scientific quest to understand what a menagerie of ...

From whales that live for centuries to clams that survive for half a millennium, scientists say some of the planet’s longest-living animals may hold powerful clues to improving human longevity and ...