When North Korea conducted its most powerful nuclear test to date on September 3, 2017, the world was alerted not by official ...

Atomic veterans are soldiers who were sent into nuclear tests during the 1950s and 60s, often just miles from the blast — ...

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

Donald Trump is pushing to resume testing nuclear weapons, leading Vladimir Putin to do the same. The legacy of nuclear tests is devastating.

X-energy has launched a critical 13-month irradiation test for its advanced, non-melting TRISO-X fuel at Idaho National Lab.

The nuclear testing announcement is likely President Trump’s attempt to restart arms control negotiations with US adversaries ...

President Donald Trump announced on Oct. 29 that the United States will "immediately" resume nuclear weapons tests, a move he said is needed to ensure the country keeps up with its rival nuclear ...

Russian President Vladimir Putin announced Wednesday that Russia had a "huge success" testing its Poseidon nuclear-capable underwater drone, describing the system as a major step in the country’s ...

President Trump issued a chilling warning to Vladimir Putin Monday after the Russian tyrant boasted about testing his country’s new “invincible” nuclear missile. “They know we have a nuclear submarine ...

Donald Trump has urged Russian President Vladimir Putin to end the Ukraine war instead of testing nuclear missiles. Speaking aboard Air Force One, Trump called Russia’s Burevestnik missile test “not ...

Russia’s test of a nuclear-powered missile that it claims can’t be stopped by air defenses reflects Moscow’s determination to look out for its security interests, a Kremlin official said Monday, after ...