The nuclear bomb is the deadliest weapon on Earth. But what actually happens inside a nuclear bomb? Modern nuclear weapons work through nuclear fission and fusion. Fission is a process that splits the ...

Confusion on whether Iran truly needed only “two weeks to four weeks” to make a nuclear weapon, as President Donald Trump suggested on Monday, hangs over the ongoing U.S. and Israeli war on the ...

It is the first time the president has addressed nuclear weapons, but he didn’t deny US could use ‘mother of all bombs’.

A new look at the uranium and heavy water used by the Nazis reveals whether they were close to making a reactor for an atomic bomb.

How close were the Nazis to developing an atomic bomb? The truth is that National Socialist Germany could not possibly have ...

The U.S. hasn’t detonated a nuclear weapon since 1992. Now a fusion start-up whose co-founders include former national lab ...