Russian forces have used hypersonic missiles to destroy ground targets in their invasion of Ukraine—the first time such weapons have been used in combat—and a quantity of radioactive material has disappeared from a monitoring lab near the defunct Chernobyl Nuclear Power Plant. On March 19 Russian defence ministry spokesman Majorread more

In response to the invasion of Ukraine by Russian forces, countries that are part of the North Atlantic Treaty Organization (NATO) are sending troops and vehicles to neighboring countries in an effort to contain a possible Russian advance, in case President Vladimir Putin decides to extend his invasion plans past Ukraine’s borders. But despiteread more