Regional threats and doubts about the reliability of extended deterrence are pushing technically capable non-nuclear states ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

The Soviet Union built the largest nuclear weapon ever detonated, but just before its test, engineers deliberately reduced ...

In 1961, the Soviet Union detonated the most powerful nuclear weapon ever built. Known as Tsar Bomba, the explosion was over ...

He played a key role in ending apartheid South Africa’s secret weapons program in the 1980s by helping the African National ...

The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

Explosions were reported in the western city of Lviv after the threat of an intermediate-range ballistic missile was detected ...

The Russian Defense Ministry said on Friday that it had struck western Ukraine with a nuclear-capable intermediate-range ...

The world quietly crossed a historic milestone this week: for the first time since the dawn of the nuclear era, humanity has ...

Russian investigators say that an explosion in Moscow has killed three people, including two police officers An explosion in Moscow on Wednesday killed three people, including two police officers, ...