President Trump called Volodymyr Zelensky a “dictator without elections” after the Ukrainian president said Mr. Trump was in a “web of disinformation.” By Andrew E. KramerConstant ...

As the avian flu outbreak continues to evolve, it is critical for us to continue monitoring, testing and surveillance.

Life expectancy across European countries, including Greece, is stalling, with experts blaming this on an alarming mix of poor diet, mass inactivity and soaring obesity, according to research ...