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Failed Russian nuclear test hints at Putin's dangerous plans to beat U.S. defenses
By Alexander Smith
What We Know About Russia’s Mysterious Rocket Explosion So Far
Rocket mystery: What weapon was Russia testing in Arctic?
Why the U.S. Abandoned Nuclear-Powered Missiles - Russia Nuclear Missile Accident
By Kyle Mizokami
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Nyonoksa: Russian village near nuclear-powered missile explosion to be briefly evacuated - The Washington Post
By Will Englund
An explosion. A radiation spike. Evacuations planned and canceled. What's happening in Russia?
By Matthew Bodner
Russian village near site of nuclear accident explosion told to evacuate after radiation spike
By Tom Embury-dennis
What we know -- and don't -- about the mysterious Russian nuclear-propelled missile explosion
By Patrick Reevell
Russia indicates rocket engine exploded in test of mini nuclear reactor
By Andrew Roth & Dan Sabbagh