Russia's Project 09851 submarine Khabarovsk, designed to deploy the Poseidon nuclear torpedo, may begin sea trials in 2026.

Vladimir Putin is menacing the world with a new doomsday weapon capable of leveling American coastal cities with a towering, radioactive tsunami soaring higher than the Big Apple's Empire State ...

The United States and Russia could embark on an unrestrained nuclear arms race for the first time since the Cold War, unless they reach an eleventh-hour deal before their last remaining arms control ...

Since the dawn of the nuclear age, there have been efforts to limit nuclear arms. What does this treaty’s lapse mean for the world?

In recent years, Russia has been making determined efforts to rebuild its Navy and return to the world’s oceans. Did the now-completed year 2025 bring it any closer to that goal?