Touting new weapons tests, Moscow signals to Washington that it must contend with the Kremlin’s power and negotiate.

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

President Trump’s decision to restart nuclear weapons testing as a warning to Moscow is being cheered by his Republican ...

The Kremlin’s constant nuclear boasts may have finally struck a chord in the White House, with President Donald Trump ...

According to the Russian leader, the test saw the mysterious weapon launched from a submarine and traveling under nuclear ...

Putin announced successful Poseidon nuclear drone testing as President Donald Trump urged Russia to end the Ukraine war ...

Russia has conducted a successful test of a new atomic-powered and nuclear-capable underwater drone, President Vladimir Putin ...

Again and again, the Russian president’s campaign of nuclear intimidation against Europe and NATO rings hollow.

The US withdrew from the ABM treaty in 2002. Putin publicly revealed the existence of super weapons like the Poseidon and ...

Russian President Vladimir Putin’s latest threats that Moscow is preparing to deploy its new “invincible” nuclear-capable ...

Russia has claimed to have successfully tested its Poseidon nuclear-powered underwater drone, but the claim has been met with skepticism.

The Poseidon nuclear-powered super torpedo is capable of devastating coastal regions by triggering vast radioactive ocean swells, military analysts say.