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

Samples of "trinitite" created during the world’s first nuclear bomb test in 1945 contain unique crystals never seen before.

More has come out on President Donald Trump's plans for nuclear testing, from top officials and from Trump himself, but it's still unclear exactly what's coming. Trump wrote in a Truth Social post on ...

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 ...

Trump ordered the Pentagon to restart nuclear testing for the first time since 1992, citing rival nations’ actions. Trump’s claim that the U.S. has the largest arsenal contradicts data showing Russia ...

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

The Trinity bomb test left behind a unique form of matter, and now, scientists have discovered a new chemical structure ...

Russia says "nuclear munitions" sent to Belarus for joint drills in the country that Moscow used as a launchpad for its 2022 ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...

A strange scarlet rock was created during the world's first nuclear explosion in 1945, and scientists have now uncovered what ...

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 ...