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

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

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

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

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 ...

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

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

Two weeks ago Ukraine successfully attacked an important Russian chemical plant using British-made Storm Shadow missiles.

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

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

Russia had tested a new nuclear-capable, nuclear-powered long-range remote torpedo, President Vladimir Putin said, a weapon ...