Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

VO2 max? Mile time? Experts break down the most common health metrics and reveal which ones actually best reflect on your ...

For decades, people who have suffered from normal pressure hydrocephalus have had to undergo open brain surgery to treat it.

How should you define a "good" putt? GOLF Hall of Fame Teacher Dave Pelz says it's a matter of distance, not direction.

A PCR test detects the actual genetic material of the virus and involves a step that amplifies the presence of any material ...

HARRISBURG, PA — The Pennsylvania House Judiciary Committee on Wednesday approved a joint resolution to add a Reproductive Rights Amendment to the state constitution. Sponsored by Reps. Danielle Friel ...