The Department of Energy’s National Nuclear Security Administration (NNSA) has announced the completion of the first weapon-ready example of a vital component for the W87-1 warhead. The component, ...

The W78 warhead is said to have a yield of 335 kilotons. It is unclear what the W87-1’s exact will be, but the original W87 warhead has a reported baseline yield of 300 kilotons.

What if one of those missiles had been tipped with a nuclear warhead — a warhead whose construction Western intelligence agencies, even Mossad, had somehow missed? If nothing else, it would have ...

The wreck, located at a depth of 1.7 km, poses significant environmental risks due to its nuclear reactor and two nuclear warhead-armed torpedoes. -Concerns over radioactive leakage have prompted ...

During an operational readiness inspection near Pearl Harbor, a series of explosions rocked the ship after a junior airman's warnings about an overheating Zuni rocket warhead went unheeded.

North Korea successfully tested a new ballistic missile capable of carrying a "super-large conventional warhead," Pyongyang's state media reported on Thursday. State-controlled KCNA news agency ...

The DF-41 is China’s most up-to-date ICBM and can hit a target 12,000 kilometres away - while carrying up to ten nuclear warheads. This comes amid mounting concerns about China's unprecedented ...

North Korean leader Kim Jong Un has overseen the successful tests of two types of tactical ballistic missiles, including one with a “super-large conventional warhead” and an “improved ...

NAGASAKI--Although countries appear to be reducing their nuclear arsenals, the world now has more nuclear warheads available for deployment than five years ago, academics said. Nagasaki University ...

unexploded warheads into fuel that will power cities. The recipe to create advanced reactor fuel involves melting weapons-grade uranium with low-enriched uranium in a crucible — a massive ...

North Korea released first-ever photos of a uranium enrichment site on Thursday. Supreme leader Kim Jong Un has been known to show off his nuclear bombs, but this week he revealed the facilities ...

North Korea tested new tactical ballistic missiles using super-large warheads and modified cruise missiles on Wednesday as leader Kim Jong Un called for stronger conventional weapons and nuclear ...