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How many nuclear weapons exist?Answers to how many nuclear weapons exist, who has them and how powerful are they.
human-behavior -
On the 'doorstep of doom': Doomsday Clock stands at 100 seconds to midnightThe hypothetical clock's hands mark our nearness to annihilation.
physics-mathematics -
Will the Doomsday Clock move forward or back? Watch live to find outThe Doomsday Clock debuted 75 years ago to highlight the threat of nuclear weapons to our survival as a species, a risk now accompanied by escalating climate change and global pandemics.
human-behavior -
Dying white dwarf stars may explode like a nuclear bombWhen a white dwarf star explodes as a supernova, it may be detonating like a nuclear weapon on Earth, a new study finds.
astronomy -
US Air Force says it will test bizarre 'hypersonic' weapon this monthAt some point in the next few weeks, the U.S. plans to fire an extreme, hypersonic weapon. The question remains: What's the point?
space -
Doomsday Clock stands at 100 seconds to midnightThe Doomsday Clock — a hypothetical clock that measures our nearness to utter annihilation, represented by the midnight hour — maintains last year's time.
human-behavior -
Iran is enriching uranium to 20%. What does that mean?Iran announced it is enriching uranium to 20% purity which increases their nuclear capabilities, but it's not too late to defuse the situation.
nuclear-energy -
Doomsday Clock is now 100 seconds from midnightA hypothetical timepiece called the Doomsday Clock measures our nearness to Armageddon — by nuclear weapons, climate change and other global threats.
climate-change -
Here's How a Princeton Physicist Lost Classified H-Bomb Documents in 1953 … on a Night TrainA physicist who coined the term "black hole" lost highly sensitive nuclear weapons information when the U.S. had just completed tests of the first hydrogen bomb.
human-behavior
