Try a 3-mile run with the first one and a half miles at an easy pace, followed by a half mile at a tempo pace, and finish ...

ABC News chief medical correspondent Dr. Jennifer Ashton "walks" through the research and shares why you may not need to take as many steps as you think for a healthy life.

Discover how Google’s latest Doodle turns a 4,000-year-old math marvel into a fun, hands-on learning moment for kids, parents, and curious minds.