Nearly vanquished, the terrifying meter-long parasites seem to have a new strategy
The sneaky germ uses a mechanism like that of white blood cells to reach vulnerable tissues and hide from antibiotics
We rarely worry about marijuana. So why is it still a Schedule I drug?
Do Phelps's body shape and flexibility give the eight-gold-medal winner a physical edge in swimming?
The genetic-testing company's real goal is to hoard your personal data
Eavesdropping on the creaks and groans of an athlete’s knee could help doctors track healing after injury or surgery.