Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

In this special issue of the Bulletin of the Atomic Scientists, published by SAGE, experts reflect on 2011 and highlight what to look out for in 2012 in the areas of nuclear energy, nuclear weapons, ...

A nuclear winter is a theoretical concept, but if the climate scenario expected to follow a large-scale nuclear war, in which smoke and soot from firestorms block sunlight, came to fruition, global ...

A massive fire erupted at a nursing home in eastern Pennsylvania following a possible gas explosion, officials said.