Add Yahoo as a preferred source to see more of our stories on Google. The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the ...

For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last ...

Nuclear weapons are often discussed in abstractions, as if they were just another line item in a defense budget or a bargaining chip in diplomacy. The brutal truth is that they are engineered ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

A new nuclear target map includes a Georgia military base. Why is it listed among 15 vulnerable spots for attack in the US.

Studies show AI systems used in military scenarios tend to escalate conflicts, raising serious concerns about their role in ...

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of nuclear arms control with Russia. President Trump meeting with President ...

The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...

Matthew Bunn is a member of the Board of Directors of the Arms Control Association; is a member of the Committee on International Security and Arms Control of the National Academy of Sciences; has ...