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

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

YouTuber Zack D. Films has created a shocking simulation that details exactly what would happen if the biggest nuclear bomb ...

a sq. ft. To give reasonable security against an atom bomb explosion half a mile away, this should be raised to 90 lbs. a sq. ft. At times of atom danger, all windows should be made of wire-glass ...

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 ...

An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on Dec. 22, 2032.

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 ...

The energy agency said no casualties were reported after an overnight blast at the former Chernobyl nuclear plant. It also said radiation levels at the site remained ...