Scientists at Lawrence Livermore National Laboratory in California recently achieved the first steps toward viable nuclear fusion using clean and potentially inexpensive ingredients. It opens the door ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. October 1962 is widely known as a period of time when nuclear tensions were heightened during the Cuban Missile Crisis; ...

The United States, Russia and China—the top three nuclear-armed powers—have all test-fired their intercontinental ballistic missiles, or ICBMs, over the past year as the arms race among them looms, ...

Throughout the past century, warfare has evolved in fascinating and frightening ways. Firearms have gotten bigger and more ...