Today in History for Oct. 12: In 451, nearly 600 bishops of the Christian church began meeting at the Second Ecumenical Council. After several days of debate, the Chalcedonian creed, which affirmed ...

Many advocated the internationalization of atomic weaponry after the war. Winston Churchill and Charles de Gaulle did not.

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer ...

Object remains inbound.” These three sentences—spoken by a U.S. Army officer in Kathryn Bigelow’s new film, A House of ...