The International Astronomical Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a spherical shape, and has cleared away other objects ...

After two decades of fascination, imitation and debate, an international team of longevity scientists says it has reached a formal scientific definition for a “blue zones” region — establishing a ...

Sterling Martin found that when he returned home to Shiprock while studying biochemistry at the University of Iowa, he had difficulty communicating his work to his family in their native tongue.