It's become more common in recent years to see NFL players wearing Guardian Caps on the field. Here's how they work.

The helmet is the visual identity of a football team. Some teams in the NFL, such as the Cowboys, Steelers, Packers, 49ers and Raiders, have had the same helmets for decades. The same goes in college ...

Fall brings football season in the U.S. and, with it, the parade of distinctively decorated helmets that the players wear. Over time, the shape and size of these helmets have gradually changed, from ...

Which football helmets should I buy? It’s what a Virginia Tech athletics equipment manager asked Stefan Duma, a faculty member at the university’s department of Biomedical Engineering and Mechanics, ...