For extremely sick patients, an advanced form of life support called extracorporeal membrane oxygenation, or ECMO, cuts the risk of dying from Covid-19 by half,...
Plummeting Covid-19 case counts across the United States are leading to lifted mask mandates and more conversations about steps toward normalcy -- but more...
Russia's unprovoked assault on Ukraine, now in its fourth day, has faced universal condemnation from Western powers.
Sanctions against Russia and aid to Ukraine have come from...