Who Has Nearly 90% Of The World's Nuclear Weapons?

Several nations boast nuclear arsenals, although nearly 90% of all nukes belong to a minority. Here's who holds the lion's ...
TimeGhost on MSN

Race that gave the Soviet Union its first atomic bomb

The world was stunned when a new nuclear power appeared years ahead of expectations. In 1949, the Soviet Union tested its ...
YouTube on MSN

Tsar Bomba: The Cold War’s most powerful nuclear test explained

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...
NBC Washington

Which countries have nuclear weapons and how are they tested? What to know

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...