China currently possesses over 600 active nuclear warheads. This number is expected to cross 1,000 by the year 2030.

Dr. Garwin died last month at 97, leaving behind a legacy of contradictions. In 1951, at age 23, he designed the first ...

Thirty years after the deadliest homegrown attack in U.S. history ... Clinton was president on April 19, 1995, when a truck bomb exploded, destroying a nine-story federal building in downtown ...

(Nick Oxford / AP) OKLAHOMA CITY — Thirty years after a truck bomb detonated outside a federal building in America’s heartland, killing 168 people in the deadliest homegrown attack on U.S ...

By JUDY GIBBS, Associated Press A car bomb ripped deep into America’s ... There was no immediate claim of responsibility for the attack, the deadliest U.S. bombing in 75 years.