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

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 ...

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 ...

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 ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled as a gas or liquid during ...

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 ...

Can Iran bomb the U.S.? Does Iran have nuclear weapons? These are the closest potential targets to Wilmington.