Donald Trump said nuclear weapons were the 'greatest threat to humanity', the deadliest one America has is much stronger than ...

If the bomb detonated at or near ground level, a towering mushroom cloud would form, sucking up soil, steel, concrete, and ...

conventional explosion within the bomb starts a chain reaction. A thermonuclear weapon expands upon that "primary" bomb to start a nuclear fusion reaction in a "secondary" component, producing even ...

“W E WOULD BE safer if we had our own nuclear arsenal,” Donald Tusk, Poland’s prime minister, told his country’s parliament ...

Police in Florida arrested a man for allegedly threatening to kill President Donald Trump with a nuclear bomb during a ...

The $2 billion Scorpius machine takes a series of X-ray images of the plutonium as a shockwave from a non-nuclear explosion passes through it. This process tests the aging of a bomb's plutonium ...

A reader responds to a story about today's school shooter drills with a recollection of drills in the late 1950s to prepare ...

BBC science and climate reporter Georgina Rannard talks us through all the details of Asteroid 2024 YR4, and gives a quick history of how we’ve managed asteroids in the past. Email: whatintheworld@bbc ...

The bomb was discovered in Paris around 4 a.m. by workers doing earth-moving work near the tracks in the Seine-Saint-Denis ...

Local government official Saleem Tareen also told AFP the blast was caused by an IED, saying the victims were on their way to a market when the bomb hit. The region’s deputy commissioner ...

The reactor overheated and, in combination with its design flaws, generated an explosion comparable with a nuclear bomb but releasing radiation the equivalent of 500 bombs. The explosion blew off ...