LeBron James and Lindsey Vonn just turned 40, and Portuguese soccer star Cristiano Ronaldo turns 40 next week on Feb. 5. It ...

Modern elite athletes extend careers with high-tech support, mirroring Formula 1 teams in their approach to maintenance and performance.

Los Angeles Lakers star James and World Cup skier Vonn just turned 40, and soccer's Ronaldo hits the Big-Four-Oh on Feb. 5.