Conservative billionaire Sebastian Pinera takes office as Chile’s new president on Thursday, tasked with rebuilding the country after one of the worst earthquakes ever recorded killed hundreds of people less than two weeks ago.

Chile’s navy on Friday fired the commander of the Hydrographic and Oceanographic Service, the entity blamed for not issuing a tsunami warning after the magnitude-8.8 earthquake that walloped the Andean nation last weekend. The navy chief, Adm....

Chile has become the first South American country to be admitted into the Organisation for Economic Co-operation and Development (OECD). Michelle Bachelet, Chile’s president, says entry into the group is a major stride towards joining the ranks...