If a mile-wide asteroid is discovered hurtling toward Earth, our survival might depend on launching 1,000 spacecraft — or one well-placed nuke.
In 1961, Russia detonated the Tsar Bomba, the most powerful nuke in history, over a remote Arctic island. New footage has been declassified and shared on YouTube.
Reference A hotline between Washington and Moscow, along with other measures, facilitates communication at critical times to avoid World War III.
Hundreds of the cubes were lost in the chaotic aftermath of World War II. Now, the new technique could help to find them.
The cloud held up to 100 times the level of radiation released after the Fukushima accident in Japan in 2011.
For the second week in a row, the United States Air Force has tested an unarmed intercontinental ballistic missile (ICBM).
A diver hunting for sea cucumbers in British Columbia, Canada, came across what may be the United States' first lost nuclear weapon, or 'broken arrow'
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