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 ...

UN Nuclear watchdog, the International Atomic Energy Agency (IAEA), has said that Iran holds 440.9 kg (972 pounds) of highly ...

In 1994, astronomers witnessed one of the most dramatic events ever recorded in space when comet Shoemaker–Levy 9 smashed into Jupiter. Traveling at more than 216,000 km/h, the comet broke into 21 ...

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

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

Social media-fueled theories of World War 3 have raised questions over what US states are safe should nuclear war happen.

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...