the nuclear weapons would have to be exploded so close to the ground that surface material would be sucked into the fireball, ...

Russia is in a rush to determine the cause of an embarrassing crash involving one of its nuclear strike aircraft ...

The software uses declassified equations and models about nuclear weapons and their effects - fireball size, air-blast radius, radiation zones, and more - to crunch the numbers, then renders the ...

As the war in Ukraine enters a new week, we're back with an overview of everything you need to know about the conflict, from Donald Trump's return to the White House to North Koreans captured by ...