The Orlando shooter, Omar Mateen, claimed allegiance to the leader of the Islamic State during a phone call to 911 early Sunday. And that's reignited a debate over how to label the ideology that ...

Radical prostatectomy reduces mortality among men with clinically detected localized prostate cancer, but evidence from randomized trials with long-term follow-up is sparse. We randomly assigned 695 ...

Radical Motorsport is a small British company that produces less than 200 vehicles per year. Yet its purpose-built racing cars are a familiar sight at motorsport country clubs across the United States ...