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 ...

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 tested a new nuclear-capable cruise missile, moving closer to deploying it, according to President Vladimir Putin ...

Russian President Vladimir Putin said the country has tested a new, nuclear-capable missile and is preparing to deploy it.

By holding nuclear drills and boasting about the successful test of a pioneering nuclear-powered cruise missile, Russian ...