Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

Russia's Project 09851 submarine Khabarovsk, designed to deploy the Poseidon nuclear torpedo, may begin sea trials in 2026.

Putin has boasted that Russia has successfully tested the nuclear-capable underwater 'Poseidon' drone, defying Donald Trump's warning over nukes. The Russian president on Sunday oversaw a test of ...

North Korea said Friday it has tested a nuclear-capable underwater attack drone in response to a combined naval exercise by South Korea, the United States and Japan this week, as it continues to blame ...

ABOARD AIR FORCE ONE — President Donald Trump declined to say Friday whether he plans to resume underground nuclear detonation tests, as he had seemed to suggest in a social media post this week that ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

MOSCOW -- Russian President Vladimir Putin ordered officials on Wednesday to submit proposals for a possible resumption of nuclear tests in response to President Donald Trump's statements last week ...

Moscow — Russian President Vladimir Putin ordered officials on Wednesday to submit proposals for a possible resumption of nuclear tests in response to President Donald Trump’s statements last week ...

MOSCOW (AP) -- Russian President Vladimir Putin ordered officials on Wednesday to submit proposals for a possible resumption of nuclear tests in response to President Donald Trump's statements last ...

MOSCOW (AP) — Russian President Vladimir Putin ordered officials on Wednesday to submit proposals for a possible resumption of nuclear tests in response to President Donald Trump’s statements last ...