The word “Chernobyl” has long been synonymous with the catastrophic reactor explosion of 1986 — grim shorthand for what still qualifies, more than three decades later, as the world’s worst nuclear ...

Workers in Ukraine will soon begin the task of moving a 31,000-ton steel cover over the radioactive ruins of the Chernobyl nuclear plant. The massive structure -- called the New Safe Confinement (NSC) ...