Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

Static holds might be stalling your progress; discover the dynamic movements that stabilize your spine, sharpen your balance, ...

Build a stronger, leaner core after 50 with 6 standing workouts that tighten your waist, improve posture, and boost strength.

Milo Bryant is a performance coach as well as an experienced journalist. He’s also in his 50s—and his book Unstoppable After 40 gives you the roadmap to do more than merely remain active as you ...