Trump said the Pentagon will immediately resume testing the US nuclear arsenal on an "equal basis" with other nuclear powers.

WASHINGTON, Feb 17 (Reuters) - A senior U.S. official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant ...

At 5:29am on July 16, 1945, humanity lurched into the birth of a dangerous new era as the world's very first nuclear explosion blossomed over New Mexico .

The US accused China of secret nuclear explosive testing and attempting to cover it up, an official said Friday. Banned for decades under an international agreement to which China and the US are ...

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 ...

The 1996 Comprehensive Nuclear Test Ban Treaty (CTBT) has not yet entered into force due to the failure of eight key states, including the United States and China, to ratify it and Russia’s decision ...

Here’s what you’ll learn when you read this story: The 1945 Trinity nuclear test fused desert sand and bomb-tower materials into trinitite—a glassy substance unlike anything humans had created before.

A revisit to the historic Trinity nuclear test reveals how the world's first atomic explosion in 1945 created a rare radioactive mineral called trinitite.

Editor’s note: This is part of an “experts comment” series on the expiration of New START. The expiration of the New Strategic Arms Reduction Treaty (New START) this week means that the United States ...