In a sense, U.S. nuclear weapons exist not to be used. And while nuclear threats seem far away, a tool from one group brings ...

We asked Professor Paul Bracken, an expert in nuclear strategy, what’s behind the posturing and what test explosions would mean for the world.

A simulation of the Pile Fuel Cladding Silo - one of the oldest waste stores and one of the highest hazard facilities on the UK's Sellafield site - is making it safer to upgrade robots handling waste ...