Experts detail the benefits of swimming, from strengthening your muscles to reducing inflammation and boosting your mental health—and how to get started. Swimming offers a low-impact exercise with ...

Which exercise machine burns the most calories? The one you enjoy and will use the most. Here are our all-time favorite cardio machines we have tested at Live Science. When you purchase through links ...

In his new Nat Geo series, 'Limitless,' the actor dangles from a rope high above a canyon and surfs frigid waters—all to test extreme strategies for living longer. In his new National Geographic ...