In late February, 32 of the world’s best snowboarders gathered at Buttermilk Ski Resort—a so-called “mountain playground” in Aspen, Colorado—to go head-to-head in a high-stakes halfpipe competition.

Onlookers have likened a new bulging cycling helmet to something out of Star Wars, while others just think it’s plain ugly. But a leading cycling team hopes that its futuristic-looking design will ...

Poorly designed helmets—of any kind—can cause brain injury or fail to properly mitigate head/brain injury. Well-designed helmets have an awesome record of saving lives. Skull fracture typically occurs ...