With the demise of New START creating a dangerous legal vacuum, Washington and Moscow must abandon outdated Cold War assumptions and forge a modern, shared definition of strategic stability.

Editor’s note: This is part of an “experts comment” series on the expiration of New START. With the New Strategic Arms Reduction Treaty (New START) expiring this week, remedial measures can be adopted ...

What does conventional arms control mean for how wars end? Even the longest wars terminate, and many conflicts end with some kind of agreement, even if it is unconditional surrender. Yet the term ...

The Southern Africa Litigation Centre said the litigation was the first of its kind in South Africa, seeking a suspension of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. China said this week it had stopped negotiations with the United States ...

The “Baker” explosion, a nuclear weapon test by the United States military, at Bikini Atoll, Marshall Islands, on July 25, 1946. Credit: U.S. Department of Defense. It is often forgotten that the ...

The hypersonic arms race is in full swing: Countries around the world are investing staggering amounts of money into hypersonic weapons. And these are no longer limited to Russia, China, and the ...