An invite-only challenge promised to be the world’s hardest workout, designed to push the human body past comfort and reason.

Explore the vital role of bone marrow stem cells. Learn how they drive bone remodeling, immunity, and skeletal health in this ...

The content of this article has been produced by our advertising partner.] For over 55 years, Life Fitness / Hammer Strength ...

Scientists are closing in on a goal that once sounded like science fiction: triggering the benefits of a workout inside bone ...

Canada manipulated the outcome of the North American Cup, keeping five-time U.S. Olympian skeleton racer Katie Uhlaender from qualifying for the Milan Cortina Olympics.

Experts explain what to know about the training method.

You just f****d us,” said 41-year-old skeleton racer Katie Uhlaender to Canadian coach Joe Cecchin. Uhlaender, who was hoping ...

Doctors warn there are biological limits to temperatures we can survive, and exposure to extreme heat can provoke a heart attack ...

The “Ratboys are likeable” narrative is the bedrock of Ratboys’ media coverage. And that is all well and good. But let’s be frank: This is boring. And I’m convinced it doesn’t tell the whole story.

What began, in 2011, as part of a British woman’s half-marathon training has turned into a global phenomenon. But the ...

Written as a love song, Sweet Child O’ Mine evolved into Guns N’ Roses’ most iconic ballad and a defining masterpiece of rock ...