North Korea warned this week that it might test a hydrogen bomb in the Pacific Ocean, after saying the country had already ...

There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

In 1994, astronomers witnessed one of the most dramatic events ever recorded in space when comet Shoemaker–Levy 9 smashed ...

Beyond roughly 4 to 5 kilometres, the immediate blast effects weaken significantly. Windows may shatter and some buildings may be damaged, but the chances of surviving the initial explosion improve ...

The most immediate concern is roughly 970 pounds (441 kilograms) of highly enriched uranium containing 60% of the U-235 isotope that is relatively easy to split. That’s what Iran was believed to have ...

While it may sound like a bombastic action movie, many genuinely fear a potential nuclear war. Here's a possible Georgia ...

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...