The test comes days after President Vladimir V. Putin announced the previous trial of another Russian nuclear weapon.

President Vladimir Putin said on Wednesday that Russia had successfully tested a Poseidon nuclear-powered super torpedo that ...

Russian President Vladimir Putin said Tuesday that the country successfully tested its nuclear-powered Poseidon torpedo, a ...

The Poseidon’s power significantly exceeds the power of even our most promising Sarmat intercontinental range missile,” Putin ...

U.S. and Russian officials have both described Poseidon as a new category of retaliatory weapon, capable of triggering radioactive ocean swells to render coastal cities uninhabitable.

Russia’s claimed successful test of a new nuclear capable cruise missile last week has drawn international concern and ...

Russian President Vladimir Putin is sending a message to President Donald Trump: Moscow wouldn’t be cowed into concessions on ...

The announcement comes as part of nuclear messaging from the Kremlin, which has resisted Western pressure for a ceasefire in ...

Elon Musk ignited a fierce public feud with Acting NASA Administrator Sean Duffy, calling him 'Sean Dummy' and suggesting he ...

The discovery that molecules of methane and ethane can worm their way into the crystal lattice of frozen hydrogen cyanide has ...