A mushroom cloud of dust and debris swept through the streets of northern Bangkok on Friday as panicked residents ran for their lives after an under-construction skyscraper came crashing down ...

To create a mushroom cloud, 90 percent enriched uranium is required. But it also requires a sufficient mass of enriched uranium to sustain a chain reaction that results in a nuclear implosion.

An amazing exhibit of before and after views of the bombed site with a simulated mushroom cloud shows how quickly everything happened. Outside is the Peace Flame, lit in 1964, which will burn ...

New Delhi, March 21 -- A day after speaking to Donald Trump, Volodymyr Zelensky reportedly bombed a key air base in Russia, with visuals showing plumes of smoke and fire emanating high into the air.

Current U.S. Government advice is to 'shelter in place' but you're probably better off making a run for it A mathematical model of nuclear fallout suggests that sheltering in place is not always ...