For the first time in years, the Kremlin has officially claimed to have tested one of its so-called "super weapons" — the ...

Beijing’s rising nuclear power and anti-use stance are helping temper Russia’s nuclear threats in its war against Ukraine.

Historian Serhii Plokhy explains why the Kremlin’s nuclear proliferation has begun a dangerous new era of mutually assured ...

The global salience of nuclear weapons — once expected to diminish after the Cold War — is instead rising sharply. This ...

As Moscow threatens to launch nuclear warheads against NATO states helping Ukraine fend off the Russian invaders, the world ...

US President Donald Trump and Russian President Vladimir Putin have spent weeks trading threats to restart nuclear tests, an escalation kicked off by Putin’s boasts about tests of the Poseidon nuclear ...

Nuclear-powered cruise missiles are not a new idea—they’re just a bad idea. While Russia’s Burevestnik missile is grabbing ...

When NewSTART (Strategic Arms Reduction Treaty, 2010) expires on February 5, 2026, Russia and the U.S. will face the prospect of a new nuclear arms race ...

Iranian scientists and nuclear experts made a second covert visit to Russia last year, in what the US claims has been a push ...

As Russia threatens nuclear attacks on Ukraine and NATO, and prototypes a nuclear-armed spacecraft, European space powers are ...

Earlier this week, Russian President Vladimir Putin revealed that his government has finalized testing of a new nuclear weapon and a nuclear-powered vehicle he claims would give his country a major ...

The white paper reiterates that China adopts a self-defense nuclear strategy, saying it maintains its nuclear forces at the ...