The surprise announcement that the United States is planning to resume nuclear testing is sending shockwaves through the scientific community.

Trump's potential resumption of nuclear testing risks a new arms race and environmental hazards. Nuclear states are ...

If we were to approach this coldly and callously, like one of those atomic scientists who adjust the Doomsday Clock, it would seem Brian Callahan is edging ever closer to midnight. After a 26–0 ...