A new definition of obesity could nearly double the prevalence of U.S. adults with the condition, a new study published ...

Sharp divides have seemed to define America lately—and Merriam-Webster just made it official. The famous American dictionary publisher on Monday announced that “polarization”—defined as “division into ...

Discussions of artificial intelligence (AI) have created a certain amount of unease by those who fear it will quickly evolve from being a benefit to human society to taking over. Even Stephen Hawking ...