Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

A nuclear treaty first signed in 2010 is expiring this week. If it's not replaced, experts say a global arms race could be in ...

Russia said Friday it used its latest missile against Ukraine for a second time in the nearly 4-year-old war, a forceful signal to Kyiv and its Western allies as U.S.-led peace talks have entered a ...

The treaty is set to lapse Thursday, with Russia saying it had not heard from US officials.

Russia launched a massive attack in Ukraine using drones and missiles, including a nuclear-capable Oreshnik missile. Michael Bociurkiw, nonresident senior fellow at the Atlantic Council's Eurasia ...

Add Yahoo as a preferred source to see more of our stories on Google. The Russian military said Friday that it launched its nuclear-capable Oreshnik hypersonic missile in its attack on Ukraine, in ...

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

Russia fired a nuclear-capable missile at Ukraine late Thursday in a retaliatory strike for an alleged attack on an official residence of President Vladimir Putin. The Russian Defense Ministry said an ...