Kim Jong Un inspected a new plant that makes weapons-grade nuclear material on Wednesday and said Pyongyang plans to “beef up ...

Russian officials say they are waiting for an explanation from President Donald Trump about nuclear testing. He hasn't given one.

North Korean leader Kim Jong Un has called for an "exponential" expansion of the country's nuclear weapons programme after ...

Ahead of the International Day against Nuclear Tests on August 29 2018, we met up with British atomic veterans who were present at test sites in Australia and the Pacific, to find out what it’s like ...

By reintroducing US theater nuclear forces first in South Korea, and then more gradually in Japan, Washington can reassure ...

Washington — President Trump directed the Pentagon on Wednesday to resume testing of nuclear weapons "on an equal basis" with other countries' tests, possibly ending a decades-long U.S. pause that ...

KIM Jong-un toured a chilling North Korean nuclear weapons factory while demanding the Hermit Kingdom “beef up” its firepower ...

A doomsday ballistic missile has been launched by the U.S., capable of carrying nuclear warheads 20 times more powerful than the atomic bomb on Hiroshima. As the Middle East conflict intensifies now ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Russia’s test of a nuclear-powered cruise missile that it claims can ...

How a deadly miscalculation turned a Cold War experiment into a radiological disaster.