Ginny MacColl, 73, got fit in her 60s and now competes in American Ninja Warrior. She started by aiming to do one pull-up.

Just in case you needed any more evidence that Japanese TV absolutely destroys anything in the West: Allow me to introduce you to KASSO. It essentially blends skateboarding with Ninja Warrior ...

For centuries, the ninja has occupied an alluring position in the public imagination. The covert warrior of feudal Japan, a favorite subject of movies and manga, has long been depicted as an agent ...