Major world powers' nuclear tensions are escalating due to the potential collapse of nuclear arms control treaties.

Years back, Russia began the development of several new strategic weapons, as Russian President Vladimir Putin had called ...

What should we make of Vladimir Putin's "new rules" regarding what constitutes a nuclear aggressor and how Moscow might ...

A Chinese rocket narrowly misses a landing. A Chinese space startup conducted what it called a "high-altitude" test flight of its Nebula-1 rocket on Sunday, launching the vehicle to an altitude of ...

The RS-28 Sarmat, a vaunted leg of Russia's nuclear strategy, appears to have suffered a fourth failed launch test on ...

“By all indications, it was a failed test. It’s a big hole in the ground,” Pavel Podvig, an analyst based in Geneva, who runs ...

"For the first time since the Cuban missile crisis, we have a direct threat to the use of nuclear weapons…. We have not faced ...

Ukraine has taken the initiative in the war against Russia by striking military targets within Russia, forcing the Kremlin to reposition forces and leading to the destruction of ammunition depots, ...

Ukraine has taken the initiative in the war against Russia by striking military targets within Russia, forcing the Kremlin to ...

Russia appears to have suffered a “catastrophic failure” in a test of its Sarmat missile, a key weapon in the modernization ...

Moscow has claimed it will not conduct nuclear tests despite rumors that they would resume, on the condition that the US also refrains.

The tests of the Sarmat missile, dubbed Satan 2 on a training ground in Russian territory, ended in complete failure.