Russian Deputy Foreign Minister Sergey Ryabkov warned that the country will retaliate if U.S. nuclear tests resume.

The U.S. Navy carried out four scheduled unarmed missile tests of the Trident II D5LE off the coast of Florida last week.

A top Russian diplomat said on Wednesday that Russia would swiftly carry out a nuclear test if the United States did so, noting that the U.S. had been working to get its testing infrastructure ready, ...

The LOI primarily outlines a plan to explore integrating Space Nukes’ 10-kilowatt nuclear reactor aboard its ALV-N satellite. Further, if the microreactor meets the performance criteria and ...

America’s Trident D5 missiles represent a bedrock of America’s national defense—meaning that they must occasionally be tested ...

U.S. President Donald Trump on Sunday said Russian President Vladimir Putin's offer to voluntarily maintain limits for a year ...

Russian President Vladimir Putin said on Friday that Russia would not worry if the United States decides not to extend the New START treaty, which limits nuclear warheads and expires next year.The New ...

BRUSSELS -- BRUSSELS (AP) — NATO will hold its major annual nuclear exercise next week, the alliance’s chief announced Friday ...

MOSCOW: President Vladimir Putin on Friday said Russia is developing new strategic weapons and that it would be “no big deal” ...

In early October 2025, the USS John F. Kennedy made major progress by performing its first nuclear propulsion tests in the ...

With concrete already being poured, this startup’s molten salt–cooled reactors could be the first to deliver cheaper, safer ...

President Vladimir Putin said on Friday that Russia was developing new strategic weapons and it would not be critical for ...