Listening for underground nuclear explosions amid the constant rumble of earthquakes is like looking for a needle that may not exist in a haystack the size of a planet.
Both the Russian and US arsenals boast thousands of nuclear weapons, located in various places around their own countries and, for the US, in Europe as well.
Experts around the world have been warning nuclear weapons are increasingly being seen as ‘usable’ by the political and military leaders who wield them.
Jeffrey Fields, USC Dornsife College of Letters, Arts and Sciences
Some of the major events in US-Iran relations highlight the differences between the nations’ views, but others presented real opportunities for reconciliation.
In early December, the nations of the world are poised to take an historic step on nuclear weapons. Yet Australia sticks out like a sore thumb among Asia-Pacific nations in arguing against change.
Donald Trump will soon have command of thousands of nuclear weapons. This presents a new and unknown threat to global security - and an urgent incentive for all states to ban nuclear weapons.
In the summer of 1946, the U.S. government detonated the first of many atomic bomb tests in the Marshall Islands. Seventy years of radiation exposure later, residents are still fighting for justice.