World

A New Era In Nuclear Proliferation

Nuclear weapons development never stopped. Now stockpiles are growing again.

A New Era In Nuclear Proliferation
Markus Schreiber / AP
SMS

Newsy explores the history of nuclear weapons proliferation, from the first atomic tests in the 1940s to the advanced weapons programs of today. Today, as we approach a so-called third nuclear age, stockpiles of weapons are once again growing.